Home / 39,332,189.40-54,278,648.82-21,929,618.04

Finding the Fourth Proportional to 39,332,189.40, 54,278,648.82 and 21,929,618.04

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Solution

The fourth proportional to 39,332,189.40, 54,278,648.82 and 21,929,618.04 is: 30,262,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332,189.40 : 54,278,648.82 = 21,929,618.04 : x
  2. Step 2: Convert to fraction form
    39,332,189.40/54,278,648.82 = 21,929,618.04/x
  3. Step 3: Cross multiply
    39,332,189.40x = 54,278,648.82 × 21,929,618.04
  4. Step 4: Simplify right side
    39,332,189.40x = 1,190,310,036,349,896.75
  5. Step 5: Solve for x
    x = 1,190,310,036,349,896.75/39,332,189.40
  6. Step 6: Final answer
    x = 30,262,999.71

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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.