Home / 12,384,615.92-17,091,338.27-6,878,016.41

Finding the Fourth Proportional to 12,384,615.92, 17,091,338.27 and 6,878,016.41

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Solution

The fourth proportional to 12,384,615.92, 17,091,338.27 and 6,878,016.41 is: 9,491,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,615.92 : 17,091,338.27 = 6,878,016.41 : x
  2. Step 2: Convert to fraction form
    12,384,615.92/17,091,338.27 = 6,878,016.41/x
  3. Step 3: Cross multiply
    12,384,615.92x = 17,091,338.27 × 6,878,016.41
  4. Step 4: Simplify right side
    12,384,615.92x = 117,554,504,970,074.25
  5. Step 5: Solve for x
    x = 117,554,504,970,074.25/12,384,615.92
  6. Step 6: Final answer
    x = 9,491,978.26

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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.