Home / 7,129,263.80-10,693,895.70-5,216,076.20

Finding the Fourth Proportional to 7,129,263.80, 10,693,895.70 and 5,216,076.20

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Solution

The fourth proportional to 7,129,263.80, 10,693,895.70 and 5,216,076.20 is: 7,824,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,263.80 : 10,693,895.70 = 5,216,076.20 : x
  2. Step 2: Convert to fraction form
    7,129,263.80/10,693,895.70 = 5,216,076.20/x
  3. Step 3: Cross multiply
    7,129,263.80x = 10,693,895.70 × 5,216,076.20
  4. Step 4: Simplify right side
    7,129,263.80x = 55,780,174,846,052.34
  5. Step 5: Solve for x
    x = 55,780,174,846,052.34/7,129,263.80
  6. Step 6: Final answer
    x = 7,824,114.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.