Home / 8,729,221.92-13,085,434.56-4,471,395.36

Finding the Fourth Proportional to 8,729,221.92, 13,085,434.56 and 4,471,395.36

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Solution

The fourth proportional to 8,729,221.92, 13,085,434.56 and 4,471,395.36 is: 6,702,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,221.92 : 13,085,434.56 = 4,471,395.36 : x
  2. Step 2: Convert to fraction form
    8,729,221.92/13,085,434.56 = 4,471,395.36/x
  3. Step 3: Cross multiply
    8,729,221.92x = 13,085,434.56 × 4,471,395.36
  4. Step 4: Simplify right side
    8,729,221.92x = 58,510,151,375,167.65
  5. Step 5: Solve for x
    x = 58,510,151,375,167.65/8,729,221.92
  6. Step 6: Final answer
    x = 6,702,791.14

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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.