Home / 18,131,087.40-27,190,293.66-5,348,198.76

Finding the Fourth Proportional to 18,131,087.40, 27,190,293.66 and 5,348,198.76

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Solution

The fourth proportional to 18,131,087.40, 27,190,293.66 and 5,348,198.76 is: 8,020,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,087.40 : 27,190,293.66 = 5,348,198.76 : x
  2. Step 2: Convert to fraction form
    18,131,087.40/27,190,293.66 = 5,348,198.76/x
  3. Step 3: Cross multiply
    18,131,087.40x = 27,190,293.66 × 5,348,198.76
  4. Step 4: Simplify right side
    18,131,087.40x = 145,419,094,836,447.84
  5. Step 5: Solve for x
    x = 145,419,094,836,447.84/18,131,087.40
  6. Step 6: Final answer
    x = 8,020,428.76

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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.