Home / 18,057,039.82-27,079,261.17-7,954,149.58

Finding the Fourth Proportional to 18,057,039.82, 27,079,261.17 and 7,954,149.58

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Solution

The fourth proportional to 18,057,039.82, 27,079,261.17 and 7,954,149.58 is: 11,928,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057,039.82 : 27,079,261.17 = 7,954,149.58 : x
  2. Step 2: Convert to fraction form
    18,057,039.82/27,079,261.17 = 7,954,149.58/x
  3. Step 3: Cross multiply
    18,057,039.82x = 27,079,261.17 × 7,954,149.58
  4. Step 4: Simplify right side
    18,057,039.82x = 215,392,493,862,065.81
  5. Step 5: Solve for x
    x = 215,392,493,862,065.81/18,057,039.82
  6. Step 6: Final answer
    x = 11,928,449.85

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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.