Home / 15,419,191.44-21,278,509.20-8,448,761.35

Finding the Fourth Proportional to 15,419,191.44, 21,278,509.20 and 8,448,761.35

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Solution

The fourth proportional to 15,419,191.44, 21,278,509.20 and 8,448,761.35 is: 11,659,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,191.44 : 21,278,509.20 = 8,448,761.35 : x
  2. Step 2: Convert to fraction form
    15,419,191.44/21,278,509.20 = 8,448,761.35/x
  3. Step 3: Cross multiply
    15,419,191.44x = 21,278,509.20 × 8,448,761.35
  4. Step 4: Simplify right side
    15,419,191.44x = 179,777,046,114,579.41
  5. Step 5: Solve for x
    x = 179,777,046,114,579.41/15,419,191.44
  6. Step 6: Final answer
    x = 11,659,304.37

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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.