Home / 12,451,712.20-18,680,192.70-3,932,909.80

Finding the Fourth Proportional to 12,451,712.20, 18,680,192.70 and 3,932,909.80

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Solution

The fourth proportional to 12,451,712.20, 18,680,192.70 and 3,932,909.80 is: 5,900,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,712.20 : 18,680,192.70 = 3,932,909.80 : x
  2. Step 2: Convert to fraction form
    12,451,712.20/18,680,192.70 = 3,932,909.80/x
  3. Step 3: Cross multiply
    12,451,712.20x = 18,680,192.70 × 3,932,909.80
  4. Step 4: Simplify right side
    12,451,712.20x = 73,467,512,935,718.45
  5. Step 5: Solve for x
    x = 73,467,512,935,718.45/12,451,712.20
  6. Step 6: Final answer
    x = 5,900,193.62

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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.