Home / 41,202,013.80-61,812,862.20-12,448,431.30

Finding the Fourth Proportional to 41,202,013.80, 61,812,862.20 and 12,448,431.30

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Solution

The fourth proportional to 41,202,013.80, 61,812,862.20 and 12,448,431.30 is: 18,675,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,202,013.80 : 61,812,862.20 = 12,448,431.30 : x
  2. Step 2: Convert to fraction form
    41,202,013.80/61,812,862.20 = 12,448,431.30/x
  3. Step 3: Cross multiply
    41,202,013.80x = 61,812,862.20 × 12,448,431.30
  4. Step 4: Simplify right side
    41,202,013.80x = 769,473,168,553,067
  5. Step 5: Solve for x
    x = 769,473,168,553,067/41,202,013.80
  6. Step 6: Final answer
    x = 18,675,620.38

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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.