Home / 8,878,891.40-13,324,557.90-5,691,768.20

Finding the Fourth Proportional to 8,878,891.40, 13,324,557.90 and 5,691,768.20

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Solution

The fourth proportional to 8,878,891.40, 13,324,557.90 and 5,691,768.20 is: 8,541,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,891.40 : 13,324,557.90 = 5,691,768.20 : x
  2. Step 2: Convert to fraction form
    8,878,891.40/13,324,557.90 = 5,691,768.20/x
  3. Step 3: Cross multiply
    8,878,891.40x = 13,324,557.90 × 5,691,768.20
  4. Step 4: Simplify right side
    8,878,891.40x = 75,840,294,934,278.78
  5. Step 5: Solve for x
    x = 75,840,294,934,278.78/8,878,891.40
  6. Step 6: Final answer
    x = 8,541,640.11

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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.