Home / 8,279,675.70-12,419,513.55-4,234,819.20

Finding the Fourth Proportional to 8,279,675.70, 12,419,513.55 and 4,234,819.20

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Solution

The fourth proportional to 8,279,675.70, 12,419,513.55 and 4,234,819.20 is: 6,352,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,675.70 : 12,419,513.55 = 4,234,819.20 : x
  2. Step 2: Convert to fraction form
    8,279,675.70/12,419,513.55 = 4,234,819.20/x
  3. Step 3: Cross multiply
    8,279,675.70x = 12,419,513.55 × 4,234,819.20
  4. Step 4: Simplify right side
    8,279,675.70x = 52,594,394,436,200.16
  5. Step 5: Solve for x
    x = 52,594,394,436,200.16/8,279,675.70
  6. Step 6: Final answer
    x = 6,352,228.80

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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.