Home / 20,416,113.35-28,174,079.94-11,123,654.24

Finding the Fourth Proportional to 20,416,113.35, 28,174,079.94 and 11,123,654.24

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Solution

The fourth proportional to 20,416,113.35, 28,174,079.94 and 11,123,654.24 is: 15,350,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,113.35 : 28,174,079.94 = 11,123,654.24 : x
  2. Step 2: Convert to fraction form
    20,416,113.35/28,174,079.94 = 11,123,654.24/x
  3. Step 3: Cross multiply
    20,416,113.35x = 28,174,079.94 × 11,123,654.24
  4. Step 4: Simplify right side
    20,416,113.35x = 313,398,723,641,809.56
  5. Step 5: Solve for x
    x = 313,398,723,641,809.56/20,416,113.35
  6. Step 6: Final answer
    x = 15,350,557.59

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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.