Home / 12,469,015.20-18,705,272.40-3,948,463.20

Finding the Fourth Proportional to 12,469,015.20, 18,705,272.40 and 3,948,463.20

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Solution

The fourth proportional to 12,469,015.20, 18,705,272.40 and 3,948,463.20 is: 5,923,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,015.20 : 18,705,272.40 = 3,948,463.20 : x
  2. Step 2: Convert to fraction form
    12,469,015.20/18,705,272.40 = 3,948,463.20/x
  3. Step 3: Cross multiply
    12,469,015.20x = 18,705,272.40 × 3,948,463.20
  4. Step 4: Simplify right side
    12,469,015.20x = 73,857,079,717,375.67
  5. Step 5: Solve for x
    x = 73,857,079,717,375.67/12,469,015.20
  6. Step 6: Final answer
    x = 5,923,248.83

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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.