Home / 40,449,567.42-55,820,378.97-21,864,707.85

Finding the Fourth Proportional to 40,449,567.42, 55,820,378.97 and 21,864,707.85

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Solution

The fourth proportional to 40,449,567.42, 55,820,378.97 and 21,864,707.85 is: 30,173,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449,567.42 : 55,820,378.97 = 21,864,707.85 : x
  2. Step 2: Convert to fraction form
    40,449,567.42/55,820,378.97 = 21,864,707.85/x
  3. Step 3: Cross multiply
    40,449,567.42x = 55,820,378.97 × 21,864,707.85
  4. Step 4: Simplify right side
    40,449,567.42x = 1,220,496,278,546,653.25
  5. Step 5: Solve for x
    x = 1,220,496,278,546,653.25/40,449,567.42
  6. Step 6: Final answer
    x = 30,173,283.83

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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.