Home / 38,494,019.62-57,753,920.44-12,587,515.66

Finding the Fourth Proportional to 38,494,019.62, 57,753,920.44 and 12,587,515.66

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Solution

The fourth proportional to 38,494,019.62, 57,753,920.44 and 12,587,515.66 is: 18,885,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494,019.62 : 57,753,920.44 = 12,587,515.66 : x
  2. Step 2: Convert to fraction form
    38,494,019.62/57,753,920.44 = 12,587,515.66/x
  3. Step 3: Cross multiply
    38,494,019.62x = 57,753,920.44 × 12,587,515.66
  4. Step 4: Simplify right side
    38,494,019.62x = 726,978,377,964,894.12
  5. Step 5: Solve for x
    x = 726,978,377,964,894.12/38,494,019.62
  6. Step 6: Final answer
    x = 18,885,488.84

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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.