Home / 20,555,251.92-30,836,766.56-8,260,172.36

Finding the Fourth Proportional to 20,555,251.92, 30,836,766.56 and 8,260,172.36

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Solution

The fourth proportional to 20,555,251.92, 30,836,766.56 and 8,260,172.36 is: 12,391,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555,251.92 : 30,836,766.56 = 8,260,172.36 : x
  2. Step 2: Convert to fraction form
    20,555,251.92/30,836,766.56 = 8,260,172.36/x
  3. Step 3: Cross multiply
    20,555,251.92x = 30,836,766.56 × 8,260,172.36
  4. Step 4: Simplify right side
    20,555,251.92x = 254,717,006,810,684.28
  5. Step 5: Solve for x
    x = 254,717,006,810,684.28/20,555,251.92
  6. Step 6: Final answer
    x = 12,391,821.21

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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.