Home / 15,787,355.52-21,785,935.68-9,910,151.04

Finding the Fourth Proportional to 15,787,355.52, 21,785,935.68 and 9,910,151.04

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Solution

The fourth proportional to 15,787,355.52, 21,785,935.68 and 9,910,151.04 is: 13,675,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,355.52 : 21,785,935.68 = 9,910,151.04 : x
  2. Step 2: Convert to fraction form
    15,787,355.52/21,785,935.68 = 9,910,151.04/x
  3. Step 3: Cross multiply
    15,787,355.52x = 21,785,935.68 × 9,910,151.04
  4. Step 4: Simplify right side
    15,787,355.52x = 215,901,913,136,525.09
  5. Step 5: Solve for x
    x = 215,901,913,136,525.09/15,787,355.52
  6. Step 6: Final answer
    x = 13,675,622.42

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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.