Home / 15,419,190.44-21,278,507.82-8,448,760.35

Finding the Fourth Proportional to 15,419,190.44, 21,278,507.82 and 8,448,760.35

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Solution

The fourth proportional to 15,419,190.44, 21,278,507.82 and 8,448,760.35 is: 11,659,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,190.44 : 21,278,507.82 = 8,448,760.35 : x
  2. Step 2: Convert to fraction form
    15,419,190.44/21,278,507.82 = 8,448,760.35/x
  3. Step 3: Cross multiply
    15,419,190.44x = 21,278,507.82 × 8,448,760.35
  4. Step 4: Simplify right side
    15,419,190.44x = 179,777,013,176,780.94
  5. Step 5: Solve for x
    x = 179,777,013,176,780.94/15,419,190.44
  6. Step 6: Final answer
    x = 11,659,302.99

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1.5x scale

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.