Home / 20,229,839-27,917,165.76-11,062,481.84

Finding the Fourth Proportional to 20,229,839, 27,917,165.76 and 11,062,481.84

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Solution

The fourth proportional to 20,229,839, 27,917,165.76 and 11,062,481.84 is: 15,266,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,839 : 27,917,165.76 = 11,062,481.84 : x
  2. Step 2: Convert to fraction form
    20,229,839/27,917,165.76 = 11,062,481.84/x
  3. Step 3: Cross multiply
    20,229,839x = 27,917,165.76 × 11,062,481.84
  4. Step 4: Simplify right side
    20,229,839x = 308,833,139,244,269.81
  5. Step 5: Solve for x
    x = 308,833,139,244,269.81/20,229,839
  6. Step 6: Final answer
    x = 15,266,218.34

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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.