Home / 36,129,542.55-49,859,512.07-20,448,565.89

Finding the Fourth Proportional to 36,129,542.55, 49,859,512.07 and 20,448,565.89

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Solution

The fourth proportional to 36,129,542.55, 49,859,512.07 and 20,448,565.89 is: 28,219,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129,542.55 : 49,859,512.07 = 20,448,565.89 : x
  2. Step 2: Convert to fraction form
    36,129,542.55/49,859,512.07 = 20,448,565.89/x
  3. Step 3: Cross multiply
    36,129,542.55x = 49,859,512.07 × 20,448,565.89
  4. Step 4: Simplify right side
    36,129,542.55x = 1,019,555,517,806,645.38
  5. Step 5: Solve for x
    x = 1,019,555,517,806,645.38/36,129,542.55
  6. Step 6: Final answer
    x = 28,219,441.65

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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.