Home / 26,418,721.31-39,582,906.65-20,659,230.89

Finding the Fourth Proportional to 26,418,721.31, 39,582,906.65 and 20,659,230.89

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Solution

The fourth proportional to 26,418,721.31, 39,582,906.65 and 20,659,230.89 is: 30,953,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418,721.31 : 39,582,906.65 = 20,659,230.89 : x
  2. Step 2: Convert to fraction form
    26,418,721.31/39,582,906.65 = 20,659,230.89/x
  3. Step 3: Cross multiply
    26,418,721.31x = 39,582,906.65 × 20,659,230.89
  4. Step 4: Simplify right side
    26,418,721.31x = 817,752,407,676,370.38
  5. Step 5: Solve for x
    x = 817,752,407,676,370.38/26,418,721.31
  6. Step 6: Final answer
    x = 30,953,519.59

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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.