Home / 28,886,876.43-39,840,645.39-25,394,748.54

Finding the Fourth Proportional to 28,886,876.43, 39,840,645.39 and 25,394,748.54

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Solution

The fourth proportional to 28,886,876.43, 39,840,645.39 and 25,394,748.54 is: 35,024,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,876.43 : 39,840,645.39 = 25,394,748.54 : x
  2. Step 2: Convert to fraction form
    28,886,876.43/39,840,645.39 = 25,394,748.54/x
  3. Step 3: Cross multiply
    28,886,876.43x = 39,840,645.39 × 25,394,748.54
  4. Step 4: Simplify right side
    28,886,876.43x = 1,011,743,171,350,360.25
  5. Step 5: Solve for x
    x = 1,011,743,171,350,360.25/28,886,876.43
  6. Step 6: Final answer
    x = 35,024,318.87

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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.