Home / 12,069,618.30-18,125,422.65-11,691,704.70

Finding the Fourth Proportional to 12,069,618.30, 18,125,422.65 and 11,691,704.70

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Solution

The fourth proportional to 12,069,618.30, 18,125,422.65 and 11,691,704.70 is: 17,557,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,618.30 : 18,125,422.65 = 11,691,704.70 : x
  2. Step 2: Convert to fraction form
    12,069,618.30/18,125,422.65 = 11,691,704.70/x
  3. Step 3: Cross multiply
    12,069,618.30x = 18,125,422.65 × 11,691,704.70
  4. Step 4: Simplify right side
    12,069,618.30x = 211,917,089,186,491.44
  5. Step 5: Solve for x
    x = 211,917,089,186,491.44/12,069,618.30
  6. Step 6: Final answer
    x = 17,557,894.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.