Home / 6,755,149.89-10,131,205.20-3,108,381.05

Finding the Fourth Proportional to 6,755,149.89, 10,131,205.20 and 3,108,381.05

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Solution

The fourth proportional to 6,755,149.89, 10,131,205.20 and 3,108,381.05 is: 4,661,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755,149.89 : 10,131,205.20 = 3,108,381.05 : x
  2. Step 2: Convert to fraction form
    6,755,149.89/10,131,205.20 = 3,108,381.05/x
  3. Step 3: Cross multiply
    6,755,149.89x = 10,131,205.20 × 3,108,381.05
  4. Step 4: Simplify right side
    6,755,149.89x = 31,491,646,206,685.43
  5. Step 5: Solve for x
    x = 31,491,646,206,685.43/6,755,149.89
  6. Step 6: Final answer
    x = 4,661,872.31

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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.