Home / 31,363,706.36-43,274,087.17-18,806,732.04

Finding the Fourth Proportional to 31,363,706.36, 43,274,087.17 and 18,806,732.04

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Solution

The fourth proportional to 31,363,706.36, 43,274,087.17 and 18,806,732.04 is: 25,948,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363,706.36 : 43,274,087.17 = 18,806,732.04 : x
  2. Step 2: Convert to fraction form
    31,363,706.36/43,274,087.17 = 18,806,732.04/x
  3. Step 3: Cross multiply
    31,363,706.36x = 43,274,087.17 × 18,806,732.04
  4. Step 4: Simplify right side
    31,363,706.36x = 813,844,161,797,052.88
  5. Step 5: Solve for x
    x = 813,844,161,797,052.88/31,363,706.36
  6. Step 6: Final answer
    x = 25,948,596.52

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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.