Home / 20,288,149.54-27,981,321.28-17,835,516.52

Finding the Fourth Proportional to 20,288,149.54, 27,981,321.28 and 17,835,516.52

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Solution

The fourth proportional to 20,288,149.54, 27,981,321.28 and 17,835,516.52 is: 24,598,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,149.54 : 27,981,321.28 = 17,835,516.52 : x
  2. Step 2: Convert to fraction form
    20,288,149.54/27,981,321.28 = 17,835,516.52/x
  3. Step 3: Cross multiply
    20,288,149.54x = 27,981,321.28 × 17,835,516.52
  4. Step 4: Simplify right side
    20,288,149.54x = 499,061,317,940,867.56
  5. Step 5: Solve for x
    x = 499,061,317,940,867.56/20,288,149.54
  6. Step 6: Final answer
    x = 24,598,661.25

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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.