Home / 10,780,155.70-16,170,233.55-4,387,117.30

Finding the Fourth Proportional to 10,780,155.70, 16,170,233.55 and 4,387,117.30

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Solution

The fourth proportional to 10,780,155.70, 16,170,233.55 and 4,387,117.30 is: 6,580,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,155.70 : 16,170,233.55 = 4,387,117.30 : x
  2. Step 2: Convert to fraction form
    10,780,155.70/16,170,233.55 = 4,387,117.30/x
  3. Step 3: Cross multiply
    10,780,155.70x = 16,170,233.55 × 4,387,117.30
  4. Step 4: Simplify right side
    10,780,155.70x = 70,940,711,352,245.42
  5. Step 5: Solve for x
    x = 70,940,711,352,245.42/10,780,155.70
  6. Step 6: Final answer
    x = 6,580,675.95

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Similar ratio
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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.