Home / 20,288,148.54-27,981,319.91-17,835,515.52

Finding the Fourth Proportional to 20,288,148.54, 27,981,319.91 and 17,835,515.52

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Solution

The fourth proportional to 20,288,148.54, 27,981,319.91 and 17,835,515.52 is: 24,598,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,148.54 : 27,981,319.91 = 17,835,515.52 : x
  2. Step 2: Convert to fraction form
    20,288,148.54/27,981,319.91 = 17,835,515.52/x
  3. Step 3: Cross multiply
    20,288,148.54x = 27,981,319.91 × 17,835,515.52
  4. Step 4: Simplify right side
    20,288,148.54x = 499,061,265,435,712.44
  5. Step 5: Solve for x
    x = 499,061,265,435,712.44/20,288,148.54
  6. Step 6: Final answer
    x = 24,598,659.88

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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.