Home / 10,791,550.97-16,158,319.32-8,220,517.88

Finding the Fourth Proportional to 10,791,550.97, 16,158,319.32 and 8,220,517.88

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Solution

The fourth proportional to 10,791,550.97, 16,158,319.32 and 8,220,517.88 is: 12,308,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,550.97 : 16,158,319.32 = 8,220,517.88 : x
  2. Step 2: Convert to fraction form
    10,791,550.97/16,158,319.32 = 8,220,517.88/x
  3. Step 3: Cross multiply
    10,791,550.97x = 16,158,319.32 × 8,220,517.88
  4. Step 4: Simplify right side
    10,791,550.97x = 132,829,752,830,844.80
  5. Step 5: Solve for x
    x = 132,829,752,830,844.80/10,791,550.97
  6. Step 6: Final answer
    x = 12,308,680.48

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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.