Home / 10,429,809.30-15,613,221.15-9,170,097.30

Finding the Fourth Proportional to 10,429,809.30, 15,613,221.15 and 9,170,097.30

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Solution

The fourth proportional to 10,429,809.30, 15,613,221.15 and 9,170,097.30 is: 13,727,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,809.30 : 15,613,221.15 = 9,170,097.30 : x
  2. Step 2: Convert to fraction form
    10,429,809.30/15,613,221.15 = 9,170,097.30/x
  3. Step 3: Cross multiply
    10,429,809.30x = 15,613,221.15 × 9,170,097.30
  4. Step 4: Simplify right side
    10,429,809.30x = 143,174,757,111,917.91
  5. Step 5: Solve for x
    x = 143,174,757,111,917.91/10,429,809.30
  6. Step 6: Final answer
    x = 13,727,456.85

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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.