Home / 8,187,251.40-12,280,877.10-5,158,037.70

Finding the Fourth Proportional to 8,187,251.40, 12,280,877.10 and 5,158,037.70

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Solution

The fourth proportional to 8,187,251.40, 12,280,877.10 and 5,158,037.70 is: 7,737,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,251.40 : 12,280,877.10 = 5,158,037.70 : x
  2. Step 2: Convert to fraction form
    8,187,251.40/12,280,877.10 = 5,158,037.70/x
  3. Step 3: Cross multiply
    8,187,251.40x = 12,280,877.10 × 5,158,037.70
  4. Step 4: Simplify right side
    8,187,251.40x = 63,345,227,070,866.67
  5. Step 5: Solve for x
    x = 63,345,227,070,866.67/8,187,251.40
  6. Step 6: Final answer
    x = 7,737,056.55

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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.