Home / 31,009,067.97-42,791,785.97-17,257,736.85

Finding the Fourth Proportional to 31,009,067.97, 42,791,785.97 and 17,257,736.85

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Solution

The fourth proportional to 31,009,067.97, 42,791,785.97 and 17,257,736.85 is: 23,815,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009,067.97 : 42,791,785.97 = 17,257,736.85 : x
  2. Step 2: Convert to fraction form
    31,009,067.97/42,791,785.97 = 17,257,736.85/x
  3. Step 3: Cross multiply
    31,009,067.97x = 42,791,785.97 × 17,257,736.85
  4. Step 4: Simplify right side
    31,009,067.97x = 738,489,381,525,493.38
  5. Step 5: Solve for x
    x = 738,489,381,525,493.38/31,009,067.97
  6. Step 6: Final answer
    x = 23,815,271.79

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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.