Home / 7,211,941.92-9,952,482.20-3,948,963.44

Finding the Fourth Proportional to 7,211,941.92, 9,952,482.20 and 3,948,963.44

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Solution

The fourth proportional to 7,211,941.92, 9,952,482.20 and 3,948,963.44 is: 5,449,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,941.92 : 9,952,482.20 = 3,948,963.44 : x
  2. Step 2: Convert to fraction form
    7,211,941.92/9,952,482.20 = 3,948,963.44/x
  3. Step 3: Cross multiply
    7,211,941.92x = 9,952,482.20 × 3,948,963.44
  4. Step 4: Simplify right side
    7,211,941.92x = 39,301,988,297,755.66
  5. Step 5: Solve for x
    x = 39,301,988,297,755.66/7,211,941.92
  6. Step 6: Final answer
    x = 5,449,570.83

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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.