Home / 8,256,546.57-12,379,914.15-3,139,350.66

Finding the Fourth Proportional to 8,256,546.57, 12,379,914.15 and 3,139,350.66

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Solution

The fourth proportional to 8,256,546.57, 12,379,914.15 and 3,139,350.66 is: 4,707,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,546.57 : 12,379,914.15 = 3,139,350.66 : x
  2. Step 2: Convert to fraction form
    8,256,546.57/12,379,914.15 = 3,139,350.66/x
  3. Step 3: Cross multiply
    8,256,546.57x = 12,379,914.15 × 3,139,350.66
  4. Step 4: Simplify right side
    8,256,546.57x = 38,864,891,657,545.84
  5. Step 5: Solve for x
    x = 38,864,891,657,545.84/8,256,546.57
  6. Step 6: Final answer
    x = 4,707,160.72

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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.