Home / 10,420,972.14-15,632,965.19-3,942,290.82

Finding the Fourth Proportional to 10,420,972.14, 15,632,965.19 and 3,942,290.82

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Solution

The fourth proportional to 10,420,972.14, 15,632,965.19 and 3,942,290.82 is: 5,914,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,972.14 : 15,632,965.19 = 3,942,290.82 : x
  2. Step 2: Convert to fraction form
    10,420,972.14/15,632,965.19 = 3,942,290.82/x
  3. Step 3: Cross multiply
    10,420,972.14x = 15,632,965.19 × 3,942,290.82
  4. Step 4: Simplify right side
    10,420,972.14x = 61,629,695,157,916.55
  5. Step 5: Solve for x
    x = 61,629,695,157,916.55/10,420,972.14
  6. Step 6: Final answer
    x = 5,914,006.33

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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.