Home / 12,138,366.15-18,207,129.26-3,040,542.14

Finding the Fourth Proportional to 12,138,366.15, 18,207,129.26 and 3,040,542.14

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Solution

The fourth proportional to 12,138,366.15, 18,207,129.26 and 3,040,542.14 is: 4,560,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,366.15 : 18,207,129.26 = 3,040,542.14 : x
  2. Step 2: Convert to fraction form
    12,138,366.15/18,207,129.26 = 3,040,542.14/x
  3. Step 3: Cross multiply
    12,138,366.15x = 18,207,129.26 × 3,040,542.14
  4. Step 4: Simplify right side
    12,138,366.15x = 55,359,543,680,022.72
  5. Step 5: Solve for x
    x = 55,359,543,680,022.72/12,138,366.15
  6. Step 6: Final answer
    x = 4,560,708.01

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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.