Home / 11,102,691.20-15,306,646.03-7,790,485.17

Finding the Fourth Proportional to 11,102,691.20, 15,306,646.03 and 7,790,485.17

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Solution

The fourth proportional to 11,102,691.20, 15,306,646.03 and 7,790,485.17 is: 10,740,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102,691.20 : 15,306,646.03 = 7,790,485.17 : x
  2. Step 2: Convert to fraction form
    11,102,691.20/15,306,646.03 = 7,790,485.17/x
  3. Step 3: Cross multiply
    11,102,691.20x = 15,306,646.03 × 7,790,485.17
  4. Step 4: Simplify right side
    11,102,691.20x = 119,246,198,899,154.38
  5. Step 5: Solve for x
    x = 119,246,198,899,154.38/11,102,691.20
  6. Step 6: Final answer
    x = 10,740,296.81

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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.