Home / 31,625,145.44-43,647,381.60-20,023,785.44

Finding the Fourth Proportional to 31,625,145.44, 43,647,381.60 and 20,023,785.44

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Solution

The fourth proportional to 31,625,145.44, 43,647,381.60 and 20,023,785.44 is: 27,635,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625,145.44 : 43,647,381.60 = 20,023,785.44 : x
  2. Step 2: Convert to fraction form
    31,625,145.44/43,647,381.60 = 20,023,785.44/x
  3. Step 3: Cross multiply
    31,625,145.44x = 43,647,381.60 × 20,023,785.44
  4. Step 4: Simplify right side
    31,625,145.44x = 873,985,804,176,204
  5. Step 5: Solve for x
    x = 873,985,804,176,204/31,625,145.44
  6. Step 6: Final answer
    x = 27,635,787.66

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1.5x scale

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.