Home / 10,079,793.20-15,125,594.70-3,690,691.40

Finding the Fourth Proportional to 10,079,793.20, 15,125,594.70 and 3,690,691.40

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Solution

The fourth proportional to 10,079,793.20, 15,125,594.70 and 3,690,691.40 is: 5,538,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,793.20 : 15,125,594.70 = 3,690,691.40 : x
  2. Step 2: Convert to fraction form
    10,079,793.20/15,125,594.70 = 3,690,691.40/x
  3. Step 3: Cross multiply
    10,079,793.20x = 15,125,594.70 × 3,690,691.40
  4. Step 4: Simplify right side
    10,079,793.20x = 55,823,902,279,175.58
  5. Step 5: Solve for x
    x = 55,823,902,279,175.58/10,079,793.20
  6. Step 6: Final answer
    x = 5,538,199.16

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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.