Home / 8,188,228.88-12,290,644.20-7,384,034.96

Finding the Fourth Proportional to 8,188,228.88, 12,290,644.20 and 7,384,034.96

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Solution

The fourth proportional to 8,188,228.88, 12,290,644.20 and 7,384,034.96 is: 11,083,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,228.88 : 12,290,644.20 = 7,384,034.96 : x
  2. Step 2: Convert to fraction form
    8,188,228.88/12,290,644.20 = 7,384,034.96/x
  3. Step 3: Cross multiply
    8,188,228.88x = 12,290,644.20 × 7,384,034.96
  4. Step 4: Simplify right side
    8,188,228.88x = 90,754,546,453,721.22
  5. Step 5: Solve for x
    x = 90,754,546,453,721.22/8,188,228.88
  6. Step 6: Final answer
    x = 11,083,538.06

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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.