Home / 18,442,571-27,665,185.12-7,083,019.64

Finding the Fourth Proportional to 18,442,571, 27,665,185.12 and 7,083,019.64

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Solution

The fourth proportional to 18,442,571, 27,665,185.12 and 7,083,019.64 is: 10,625,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,571 : 27,665,185.12 = 7,083,019.64 : x
  2. Step 2: Convert to fraction form
    18,442,571/27,665,185.12 = 7,083,019.64/x
  3. Step 3: Cross multiply
    18,442,571x = 27,665,185.12 × 7,083,019.64
  4. Step 4: Simplify right side
    18,442,571x = 195,953,049,549,195.75
  5. Step 5: Solve for x
    x = 195,953,049,549,195.75/18,442,571
  6. Step 6: Final answer
    x = 10,625,039.73

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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.