Home / 18,162,286.86-27,250,073.31-8,451,531.20

Finding the Fourth Proportional to 18,162,286.86, 27,250,073.31 and 8,451,531.20

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Solution

The fourth proportional to 18,162,286.86, 27,250,073.31 and 8,451,531.20 is: 12,680,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,286.86 : 27,250,073.31 = 8,451,531.20 : x
  2. Step 2: Convert to fraction form
    18,162,286.86/27,250,073.31 = 8,451,531.20/x
  3. Step 3: Cross multiply
    18,162,286.86x = 27,250,073.31 × 8,451,531.20
  4. Step 4: Simplify right side
    18,162,286.86x = 230,304,844,645,501.91
  5. Step 5: Solve for x
    x = 230,304,844,645,501.91/18,162,286.86
  6. Step 6: Final answer
    x = 12,680,388.02

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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.