Home / 20,396,546.48-28,146,165.72-11,227,398.32

Finding the Fourth Proportional to 20,396,546.48, 28,146,165.72 and 11,227,398.32

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Solution

The fourth proportional to 20,396,546.48, 28,146,165.72 and 11,227,398.32 is: 15,493,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,546.48 : 28,146,165.72 = 11,227,398.32 : x
  2. Step 2: Convert to fraction form
    20,396,546.48/28,146,165.72 = 11,227,398.32/x
  3. Step 3: Cross multiply
    20,396,546.48x = 28,146,165.72 × 11,227,398.32
  4. Step 4: Simplify right side
    20,396,546.48x = 316,008,213,719,169.56
  5. Step 5: Solve for x
    x = 316,008,213,719,169.56/20,396,546.48
  6. Step 6: Final answer
    x = 15,493,221.56

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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.