Home / 40,378,832.46-55,720,681.11-22,040,575.02

Finding the Fourth Proportional to 40,378,832.46, 55,720,681.11 and 22,040,575.02

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Solution

The fourth proportional to 40,378,832.46, 55,720,681.11 and 22,040,575.02 is: 30,414,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378,832.46 : 55,720,681.11 = 22,040,575.02 : x
  2. Step 2: Convert to fraction form
    40,378,832.46/55,720,681.11 = 22,040,575.02/x
  3. Step 3: Cross multiply
    40,378,832.46x = 55,720,681.11 × 22,040,575.02
  4. Step 4: Simplify right side
    40,378,832.46x = 1,228,115,852,170,451.75
  5. Step 5: Solve for x
    x = 1,228,115,852,170,451.75/40,378,832.46
  6. Step 6: Final answer
    x = 30,414,843.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.