Home / 11,418,716.80-17,129,995.10-5,661,734.55

Finding the Fourth Proportional to 11,418,716.80, 17,129,995.10 and 5,661,734.55

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Solution

The fourth proportional to 11,418,716.80, 17,129,995.10 and 5,661,734.55 is: 8,493,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418,716.80 : 17,129,995.10 = 5,661,734.55 : x
  2. Step 2: Convert to fraction form
    11,418,716.80/17,129,995.10 = 5,661,734.55/x
  3. Step 3: Cross multiply
    11,418,716.80x = 17,129,995.10 × 5,661,734.55
  4. Step 4: Simplify right side
    11,418,716.80x = 96,985,485,099,000.70
  5. Step 5: Solve for x
    x = 96,985,485,099,000.70/11,418,716.80
  6. Step 6: Final answer
    x = 8,493,553.77

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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.