Home / 13,933,013.38-20,891,242.12-5,297,745.94

Finding the Fourth Proportional to 13,933,013.38, 20,891,242.12 and 5,297,745.94

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Solution

The fourth proportional to 13,933,013.38, 20,891,242.12 and 5,297,745.94 is: 7,943,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,013.38 : 20,891,242.12 = 5,297,745.94 : x
  2. Step 2: Convert to fraction form
    13,933,013.38/20,891,242.12 = 5,297,745.94/x
  3. Step 3: Cross multiply
    13,933,013.38x = 20,891,242.12 × 5,297,745.94
  4. Step 4: Simplify right side
    13,933,013.38x = 110,676,493,122,787
  5. Step 5: Solve for x
    x = 110,676,493,122,787/13,933,013.38
  6. Step 6: Final answer
    x = 7,943,471.39

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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.