Home / 12,377,011.40-18,565,517.10-3,280,512.95

Finding the Fourth Proportional to 12,377,011.40, 18,565,517.10 and 3,280,512.95

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Solution

The fourth proportional to 12,377,011.40, 18,565,517.10 and 3,280,512.95 is: 4,920,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,011.40 : 18,565,517.10 = 3,280,512.95 : x
  2. Step 2: Convert to fraction form
    12,377,011.40/18,565,517.10 = 3,280,512.95/x
  3. Step 3: Cross multiply
    12,377,011.40x = 18,565,517.10 × 3,280,512.95
  4. Step 4: Simplify right side
    12,377,011.40x = 60,904,419,269,996.45
  5. Step 5: Solve for x
    x = 60,904,419,269,996.45/12,377,011.40
  6. Step 6: Final answer
    x = 4,920,769.43

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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.