Home / 31,541,714.80-43,528,133.31-18,498,381.19

Finding the Fourth Proportional to 31,541,714.80, 43,528,133.31 and 18,498,381.19

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Solution

The fourth proportional to 31,541,714.80, 43,528,133.31 and 18,498,381.19 is: 25,528,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541,714.80 : 43,528,133.31 = 18,498,381.19 : x
  2. Step 2: Convert to fraction form
    31,541,714.80/43,528,133.31 = 18,498,381.19/x
  3. Step 3: Cross multiply
    31,541,714.80x = 43,528,133.31 × 18,498,381.19
  4. Step 4: Simplify right side
    31,541,714.80x = 805,200,002,444,624.75
  5. Step 5: Solve for x
    x = 805,200,002,444,624.75/31,541,714.80
  6. Step 6: Final answer
    x = 25,528,098.51

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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.