Home / 8,045,138.70-12,067,708.05-5,494,221.90

Finding the Fourth Proportional to 8,045,138.70, 12,067,708.05 and 5,494,221.90

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Solution

The fourth proportional to 8,045,138.70, 12,067,708.05 and 5,494,221.90 is: 8,241,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,138.70 : 12,067,708.05 = 5,494,221.90 : x
  2. Step 2: Convert to fraction form
    8,045,138.70/12,067,708.05 = 5,494,221.90/x
  3. Step 3: Cross multiply
    8,045,138.70x = 12,067,708.05 × 5,494,221.90
  4. Step 4: Simplify right side
    8,045,138.70x = 66,302,665,851,116.30
  5. Step 5: Solve for x
    x = 66,302,665,851,116.30/8,045,138.70
  6. Step 6: Final answer
    x = 8,241,332.85

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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.