Home / 12,715,277.92-17,542,789.20-7,208,062.24

Finding the Fourth Proportional to 12,715,277.92, 17,542,789.20 and 7,208,062.24

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Solution

The fourth proportional to 12,715,277.92, 17,542,789.20 and 7,208,062.24 is: 9,944,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,277.92 : 17,542,789.20 = 7,208,062.24 : x
  2. Step 2: Convert to fraction form
    12,715,277.92/17,542,789.20 = 7,208,062.24/x
  3. Step 3: Cross multiply
    12,715,277.92x = 17,542,789.20 × 7,208,062.24
  4. Step 4: Simplify right side
    12,715,277.92x = 126,449,516,416,799.81
  5. Step 5: Solve for x
    x = 126,449,516,416,799.81/12,715,277.92
  6. Step 6: Final answer
    x = 9,944,691.51

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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.