Home / 13,280,440.62-18,326,524.22-7,399,770.96

Finding the Fourth Proportional to 13,280,440.62, 18,326,524.22 and 7,399,770.96

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Solution

The fourth proportional to 13,280,440.62, 18,326,524.22 and 7,399,770.96 is: 10,211,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,440.62 : 18,326,524.22 = 7,399,770.96 : x
  2. Step 2: Convert to fraction form
    13,280,440.62/18,326,524.22 = 7,399,770.96/x
  3. Step 3: Cross multiply
    13,280,440.62x = 18,326,524.22 × 7,399,770.96
  4. Step 4: Simplify right side
    13,280,440.62x = 135,612,081,720,892.64
  5. Step 5: Solve for x
    x = 135,612,081,720,892.64/13,280,440.62
  6. Step 6: Final answer
    x = 10,211,414.33

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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.