Home / 8,171,630.73-12,257,407.22-2,491,836.21

Finding the Fourth Proportional to 8,171,630.73, 12,257,407.22 and 2,491,836.21

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Solution

The fourth proportional to 8,171,630.73, 12,257,407.22 and 2,491,836.21 is: 3,737,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,630.73 : 12,257,407.22 = 2,491,836.21 : x
  2. Step 2: Convert to fraction form
    8,171,630.73/12,257,407.22 = 2,491,836.21/x
  3. Step 3: Cross multiply
    8,171,630.73x = 12,257,407.22 × 2,491,836.21
  4. Step 4: Simplify right side
    8,171,630.73x = 30,543,451,139,052.25
  5. Step 5: Solve for x
    x = 30,543,451,139,052.25/8,171,630.73
  6. Step 6: Final answer
    x = 3,737,742.46

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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.