Home / 13,721,680.77-20,555,076.96-8,253,757.14

Finding the Fourth Proportional to 13,721,680.77, 20,555,076.96 and 8,253,757.14

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Solution

The fourth proportional to 13,721,680.77, 20,555,076.96 and 8,253,757.14 is: 12,364,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,680.77 : 20,555,076.96 = 8,253,757.14 : x
  2. Step 2: Convert to fraction form
    13,721,680.77/20,555,076.96 = 8,253,757.14/x
  3. Step 3: Cross multiply
    13,721,680.77x = 20,555,076.96 × 8,253,757.14
  4. Step 4: Simplify right side
    13,721,680.77x = 169,656,613,221,849.50
  5. Step 5: Solve for x
    x = 169,656,613,221,849.50/13,721,680.77
  6. Step 6: Final answer
    x = 12,364,127.69

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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.