Home / 10,505,873.20-15,744,047.55-8,350,584.70

Finding the Fourth Proportional to 10,505,873.20, 15,744,047.55 and 8,350,584.70

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Solution

The fourth proportional to 10,505,873.20, 15,744,047.55 and 8,350,584.70 is: 12,514,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,873.20 : 15,744,047.55 = 8,350,584.70 : x
  2. Step 2: Convert to fraction form
    10,505,873.20/15,744,047.55 = 8,350,584.70/x
  3. Step 3: Cross multiply
    10,505,873.20x = 15,744,047.55 × 8,350,584.70
  4. Step 4: Simplify right side
    10,505,873.20x = 131,472,002,587,102.50
  5. Step 5: Solve for x
    x = 131,472,002,587,102.50/10,505,873.20
  6. Step 6: Final answer
    x = 12,514,143.29

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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.