Home / 12,631,193.12-17,431,144.80-6,973,462.24

Finding the Fourth Proportional to 12,631,193.12, 17,431,144.80 and 6,973,462.24

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Solution

The fourth proportional to 12,631,193.12, 17,431,144.80 and 6,973,462.24 is: 9,623,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,193.12 : 17,431,144.80 = 6,973,462.24 : x
  2. Step 2: Convert to fraction form
    12,631,193.12/17,431,144.80 = 6,973,462.24/x
  3. Step 3: Cross multiply
    12,631,193.12x = 17,431,144.80 × 6,973,462.24
  4. Step 4: Simplify right side
    12,631,193.12x = 121,555,430,062,772.36
  5. Step 5: Solve for x
    x = 121,555,430,062,772.36/12,631,193.12
  6. Step 6: Final answer
    x = 9,623,432.16

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Half scale
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Double scale
Find fourth proportional to 12,631,194.12, 17,431,146.18 and 6,973,463.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.