Home / 12,168,367.52-18,270,494.16-6,787,531.04

Finding the Fourth Proportional to 12,168,367.52, 18,270,494.16 and 6,787,531.04

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Solution

The fourth proportional to 12,168,367.52, 18,270,494.16 and 6,787,531.04 is: 10,191,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,367.52 : 18,270,494.16 = 6,787,531.04 : x
  2. Step 2: Convert to fraction form
    12,168,367.52/18,270,494.16 = 6,787,531.04/x
  3. Step 3: Cross multiply
    12,168,367.52x = 18,270,494.16 × 6,787,531.04
  4. Step 4: Simplify right side
    12,168,367.52x = 124,011,546,227,138.73
  5. Step 5: Solve for x
    x = 124,011,546,227,138.73/12,168,367.52
  6. Step 6: Final answer
    x = 10,191,305.12

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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.