Home / 31,840,177.75-47,760,785.03-9,120,986.71

Finding the Fourth Proportional to 31,840,177.75, 47,760,785.03 and 9,120,986.71

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Solution

The fourth proportional to 31,840,177.75, 47,760,785.03 and 9,120,986.71 is: 13,681,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840,177.75 : 47,760,785.03 = 9,120,986.71 : x
  2. Step 2: Convert to fraction form
    31,840,177.75/47,760,785.03 = 9,120,986.71/x
  3. Step 3: Cross multiply
    31,840,177.75x = 47,760,785.03 × 9,120,986.71
  4. Step 4: Simplify right side
    31,840,177.75x = 435,625,485,517,797
  5. Step 5: Solve for x
    x = 435,625,485,517,797/31,840,177.75
  6. Step 6: Final answer
    x = 13,681,628.57

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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.