Home / 7,490,466.40-11,235,699.60-7,415,816.80

Finding the Fourth Proportional to 7,490,466.40, 11,235,699.60 and 7,415,816.80

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Solution

The fourth proportional to 7,490,466.40, 11,235,699.60 and 7,415,816.80 is: 11,123,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,466.40 : 11,235,699.60 = 7,415,816.80 : x
  2. Step 2: Convert to fraction form
    7,490,466.40/11,235,699.60 = 7,415,816.80/x
  3. Step 3: Cross multiply
    7,490,466.40x = 11,235,699.60 × 7,415,816.80
  4. Step 4: Simplify right side
    7,490,466.40x = 83,321,889,853,433.28
  5. Step 5: Solve for x
    x = 83,321,889,853,433.28/7,490,466.40
  6. Step 6: Final answer
    x = 11,123,725.20

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Double scale
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Similar ratio
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1.5x scale

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.