Home / 8,171,713.55-12,257,537.52-2,491,921.46

Finding the Fourth Proportional to 8,171,713.55, 12,257,537.52 and 2,491,921.46

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Solution

The fourth proportional to 8,171,713.55, 12,257,537.52 and 2,491,921.46 is: 3,737,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,713.55 : 12,257,537.52 = 2,491,921.46 : x
  2. Step 2: Convert to fraction form
    8,171,713.55/12,257,537.52 = 2,491,921.46/x
  3. Step 3: Cross multiply
    8,171,713.55x = 12,257,537.52 × 2,491,921.46
  4. Step 4: Simplify right side
    8,171,713.55x = 30,544,820,792,843.18
  5. Step 5: Solve for x
    x = 30,544,820,792,843.18/8,171,713.55
  6. Step 6: Final answer
    x = 3,737,872.19

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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.