Home / 39,275,693.38-54,198,945.21-21,872,772.10

Finding the Fourth Proportional to 39,275,693.38, 54,198,945.21 and 21,872,772.10

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Solution

The fourth proportional to 39,275,693.38, 54,198,945.21 and 21,872,772.10 is: 30,183,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,275,693.38 : 54,198,945.21 = 21,872,772.10 : x
  2. Step 2: Convert to fraction form
    39,275,693.38/54,198,945.21 = 21,872,772.10/x
  3. Step 3: Cross multiply
    39,275,693.38x = 54,198,945.21 × 21,872,772.10
  4. Step 4: Simplify right side
    39,275,693.38x = 1,185,481,176,638,716.75
  5. Step 5: Solve for x
    x = 1,185,481,176,638,716.75/39,275,693.38
  6. Step 6: Final answer
    x = 30,183,583.65

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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.