Home / 39,278,452.43-54,205,945.91-21,874,797.63

Finding the Fourth Proportional to 39,278,452.43, 54,205,945.91 and 21,874,797.63

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Solution

The fourth proportional to 39,278,452.43, 54,205,945.91 and 21,874,797.63 is: 30,188,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278,452.43 : 54,205,945.91 = 21,874,797.63 : x
  2. Step 2: Convert to fraction form
    39,278,452.43/54,205,945.91 = 21,874,797.63/x
  3. Step 3: Cross multiply
    39,278,452.43x = 54,205,945.91 × 21,874,797.63
  4. Step 4: Simplify right side
    39,278,452.43x = 1,185,744,097,096,632.50
  5. Step 5: Solve for x
    x = 1,185,744,097,096,632.50/39,278,452.43
  6. Step 6: Final answer
    x = 30,188,157.21

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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.