Home / 12,082,456.80-18,144,680.40-11,704,543.20

Finding the Fourth Proportional to 12,082,456.80, 18,144,680.40 and 11,704,543.20

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Solution

The fourth proportional to 12,082,456.80, 18,144,680.40 and 11,704,543.20 is: 17,577,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,456.80 : 18,144,680.40 = 11,704,543.20 : x
  2. Step 2: Convert to fraction form
    12,082,456.80/18,144,680.40 = 11,704,543.20/x
  3. Step 3: Cross multiply
    12,082,456.80x = 18,144,680.40 × 11,704,543.20
  4. Step 4: Simplify right side
    12,082,456.80x = 212,375,195,591,993.25
  5. Step 5: Solve for x
    x = 212,375,195,591,993.25/12,082,456.80
  6. Step 6: Final answer
    x = 17,577,153.31

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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.