Home / 8,179,542.70-12,269,314.05-5,156,233.90

Finding the Fourth Proportional to 8,179,542.70, 12,269,314.05 and 5,156,233.90

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Solution

The fourth proportional to 8,179,542.70, 12,269,314.05 and 5,156,233.90 is: 7,734,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,542.70 : 12,269,314.05 = 5,156,233.90 : x
  2. Step 2: Convert to fraction form
    8,179,542.70/12,269,314.05 = 5,156,233.90/x
  3. Step 3: Cross multiply
    8,179,542.70x = 12,269,314.05 × 5,156,233.90
  4. Step 4: Simplify right side
    8,179,542.70x = 63,263,453,034,356.30
  5. Step 5: Solve for x
    x = 63,263,453,034,356.30/8,179,542.70
  6. Step 6: Final answer
    x = 7,734,350.85

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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.