Home / 13,419,199.72-20,125,941.90-3,832,033.24

Finding the Fourth Proportional to 13,419,199.72, 20,125,941.90 and 3,832,033.24

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Solution

The fourth proportional to 13,419,199.72, 20,125,941.90 and 3,832,033.24 is: 5,747,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,199.72 : 20,125,941.90 = 3,832,033.24 : x
  2. Step 2: Convert to fraction form
    13,419,199.72/20,125,941.90 = 3,832,033.24/x
  3. Step 3: Cross multiply
    13,419,199.72x = 20,125,941.90 × 3,832,033.24
  4. Step 4: Simplify right side
    13,419,199.72x = 77,123,278,347,108.75
  5. Step 5: Solve for x
    x = 77,123,278,347,108.75/13,419,199.72
  6. Step 6: Final answer
    x = 5,747,233.81

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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.