Home / 8,640,694.70-12,961,042.05-8,080,822.70

Finding the Fourth Proportional to 8,640,694.70, 12,961,042.05 and 8,080,822.70

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Solution

The fourth proportional to 8,640,694.70, 12,961,042.05 and 8,080,822.70 is: 12,121,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,694.70 : 12,961,042.05 = 8,080,822.70 : x
  2. Step 2: Convert to fraction form
    8,640,694.70/12,961,042.05 = 8,080,822.70/x
  3. Step 3: Cross multiply
    8,640,694.70x = 12,961,042.05 × 8,080,822.70
  4. Step 4: Simplify right side
    8,640,694.70x = 104,735,882,813,294.55
  5. Step 5: Solve for x
    x = 104,735,882,813,294.55/8,640,694.70
  6. Step 6: Final answer
    x = 12,121,234.05

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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.