Home / 12,251,972.80-18,377,959.20-5,061,116.80

Finding the Fourth Proportional to 12,251,972.80, 18,377,959.20 and 5,061,116.80

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Solution

The fourth proportional to 12,251,972.80, 18,377,959.20 and 5,061,116.80 is: 7,591,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,972.80 : 18,377,959.20 = 5,061,116.80 : x
  2. Step 2: Convert to fraction form
    12,251,972.80/18,377,959.20 = 5,061,116.80/x
  3. Step 3: Cross multiply
    12,251,972.80x = 18,377,959.20 × 5,061,116.80
  4. Step 4: Simplify right side
    12,251,972.80x = 93,012,998,056,834.55
  5. Step 5: Solve for x
    x = 93,012,998,056,834.55/12,251,972.80
  6. Step 6: Final answer
    x = 7,591,675.20

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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.