Home / 31,008,449.82-42,791,660.82-17,260,661.64

Finding the Fourth Proportional to 31,008,449.82, 42,791,660.82 and 17,260,661.64

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Solution

The fourth proportional to 31,008,449.82, 42,791,660.82 and 17,260,661.64 is: 23,819,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,449.82 : 42,791,660.82 = 17,260,661.64 : x
  2. Step 2: Convert to fraction form
    31,008,449.82/42,791,660.82 = 17,260,661.64/x
  3. Step 3: Cross multiply
    31,008,449.82x = 42,791,660.82 × 17,260,661.64
  4. Step 4: Simplify right side
    31,008,449.82x = 738,612,378,427,665
  5. Step 5: Solve for x
    x = 738,612,378,427,665/31,008,449.82
  6. Step 6: Final answer
    x = 23,819,713.10

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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.