Home / 15,342,004.32-21,172,474.40-8,373,063.36

Finding the Fourth Proportional to 15,342,004.32, 21,172,474.40 and 8,373,063.36

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Solution

The fourth proportional to 15,342,004.32, 21,172,474.40 and 8,373,063.36 is: 11,555,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,004.32 : 21,172,474.40 = 8,373,063.36 : x
  2. Step 2: Convert to fraction form
    15,342,004.32/21,172,474.40 = 8,373,063.36/x
  3. Step 3: Cross multiply
    15,342,004.32x = 21,172,474.40 × 8,373,063.36
  4. Step 4: Simplify right side
    15,342,004.32x = 177,278,469,639,177.97
  5. Step 5: Solve for x
    x = 177,278,469,639,177.97/15,342,004.32
  6. Step 6: Final answer
    x = 11,555,104.92

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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.