Home / 12,384,380.96-17,089,976.94-6,878,110.34

Finding the Fourth Proportional to 12,384,380.96, 17,089,976.94 and 6,878,110.34

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Solution

The fourth proportional to 12,384,380.96, 17,089,976.94 and 6,878,110.34 is: 9,491,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,380.96 : 17,089,976.94 = 6,878,110.34 : x
  2. Step 2: Convert to fraction form
    12,384,380.96/17,089,976.94 = 6,878,110.34/x
  3. Step 3: Cross multiply
    12,384,380.96x = 17,089,976.94 × 6,878,110.34
  4. Step 4: Simplify right side
    12,384,380.96x = 117,546,747,101,375.56
  5. Step 5: Solve for x
    x = 117,546,747,101,375.56/12,384,380.96
  6. Step 6: Final answer
    x = 9,491,531.91

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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.