Home / 15,861,481.68-21,888,768.56-8,985,947.52

Finding the Fourth Proportional to 15,861,481.68, 21,888,768.56 and 8,985,947.52

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Solution

The fourth proportional to 15,861,481.68, 21,888,768.56 and 8,985,947.52 is: 12,400,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861,481.68 : 21,888,768.56 = 8,985,947.52 : x
  2. Step 2: Convert to fraction form
    15,861,481.68/21,888,768.56 = 8,985,947.52/x
  3. Step 3: Cross multiply
    15,861,481.68x = 21,888,768.56 × 8,985,947.52
  4. Step 4: Simplify right side
    15,861,481.68x = 196,691,325,557,585.94
  5. Step 5: Solve for x
    x = 196,691,325,557,585.94/15,861,481.68
  6. Step 6: Final answer
    x = 12,400,564.43

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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.