Home / 7,391,630.40-11,079,151.20-4,198,286.40

Finding the Fourth Proportional to 7,391,630.40, 11,079,151.20 and 4,198,286.40

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Solution

The fourth proportional to 7,391,630.40, 11,079,151.20 and 4,198,286.40 is: 6,292,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,630.40 : 11,079,151.20 = 4,198,286.40 : x
  2. Step 2: Convert to fraction form
    7,391,630.40/11,079,151.20 = 4,198,286.40/x
  3. Step 3: Cross multiply
    7,391,630.40x = 11,079,151.20 × 4,198,286.40
  4. Step 4: Simplify right side
    7,391,630.40x = 46,513,449,806,503.68
  5. Step 5: Solve for x
    x = 46,513,449,806,503.68/7,391,630.40
  6. Step 6: Final answer
    x = 6,292,718.56

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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.