Home / 15,522,753.28-21,266,275.28-14,940,949.12

Finding the Fourth Proportional to 15,522,753.28, 21,266,275.28 and 14,940,949.12

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Solution

The fourth proportional to 15,522,753.28, 21,266,275.28 and 14,940,949.12 is: 20,469,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522,753.28 : 21,266,275.28 = 14,940,949.12 : x
  2. Step 2: Convert to fraction form
    15,522,753.28/21,266,275.28 = 14,940,949.12/x
  3. Step 3: Cross multiply
    15,522,753.28x = 21,266,275.28 × 14,940,949.12
  4. Step 4: Simplify right side
    15,522,753.28x = 317,738,336,930,393.75
  5. Step 5: Solve for x
    x = 317,738,336,930,393.75/15,522,753.28
  6. Step 6: Final answer
    x = 20,469,199.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.