Home / 20,416,114.35-28,174,081.32-11,123,655.24

Finding the Fourth Proportional to 20,416,114.35, 28,174,081.32 and 11,123,655.24

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Solution

The fourth proportional to 20,416,114.35, 28,174,081.32 and 11,123,655.24 is: 15,350,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,114.35 : 28,174,081.32 = 11,123,655.24 : x
  2. Step 2: Convert to fraction form
    20,416,114.35/28,174,081.32 = 11,123,655.24/x
  3. Step 3: Cross multiply
    20,416,114.35x = 28,174,081.32 × 11,123,655.24
  4. Step 4: Simplify right side
    20,416,114.35x = 313,398,767,307,404.12
  5. Step 5: Solve for x
    x = 313,398,767,307,404.12/20,416,114.35
  6. Step 6: Final answer
    x = 15,350,558.97

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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.