Home / 12,251,982.80-18,377,974.20-5,061,126.80

Finding the Fourth Proportional to 12,251,982.80, 18,377,974.20 and 5,061,126.80

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Solution

The fourth proportional to 12,251,982.80, 18,377,974.20 and 5,061,126.80 is: 7,591,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,982.80 : 18,377,974.20 = 5,061,126.80 : x
  2. Step 2: Convert to fraction form
    12,251,982.80/18,377,974.20 = 5,061,126.80/x
  3. Step 3: Cross multiply
    12,251,982.80x = 18,377,974.20 × 5,061,126.80
  4. Step 4: Simplify right side
    12,251,982.80x = 93,013,257,753,328.55
  5. Step 5: Solve for x
    x = 93,013,257,753,328.55/12,251,982.80
  6. Step 6: Final answer
    x = 7,591,690.20

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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.