Home / 14,489,738.70-21,734,608.05-13,394,877.90

Finding the Fourth Proportional to 14,489,738.70, 21,734,608.05 and 13,394,877.90

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Solution

The fourth proportional to 14,489,738.70, 21,734,608.05 and 13,394,877.90 is: 20,092,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,738.70 : 21,734,608.05 = 13,394,877.90 : x
  2. Step 2: Convert to fraction form
    14,489,738.70/21,734,608.05 = 13,394,877.90/x
  3. Step 3: Cross multiply
    14,489,738.70x = 21,734,608.05 × 13,394,877.90
  4. Step 4: Simplify right side
    14,489,738.70x = 291,132,421,034,107.12
  5. Step 5: Solve for x
    x = 291,132,421,034,107.12/14,489,738.70
  6. Step 6: Final answer
    x = 20,092,316.85

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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.