Home / 8,278,928.80-11,425,175.75-4,608,049.30

Finding the Fourth Proportional to 8,278,928.80, 11,425,175.75 and 4,608,049.30

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Solution

The fourth proportional to 8,278,928.80, 11,425,175.75 and 4,608,049.30 is: 6,359,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,928.80 : 11,425,175.75 = 4,608,049.30 : x
  2. Step 2: Convert to fraction form
    8,278,928.80/11,425,175.75 = 4,608,049.30/x
  3. Step 3: Cross multiply
    8,278,928.80x = 11,425,175.75 × 4,608,049.30
  4. Step 4: Simplify right side
    8,278,928.80x = 52,647,773,100,121.66
  5. Step 5: Solve for x
    x = 52,647,773,100,121.66/8,278,928.80
  6. Step 6: Final answer
    x = 6,359,249.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.