Home / 9,265,286.40-13,891,449.60-5,476,819.20

Finding the Fourth Proportional to 9,265,286.40, 13,891,449.60 and 5,476,819.20

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Solution

The fourth proportional to 9,265,286.40, 13,891,449.60 and 5,476,819.20 is: 8,211,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265,286.40 : 13,891,449.60 = 5,476,819.20 : x
  2. Step 2: Convert to fraction form
    9,265,286.40/13,891,449.60 = 5,476,819.20/x
  3. Step 3: Cross multiply
    9,265,286.40x = 13,891,449.60 × 5,476,819.20
  4. Step 4: Simplify right side
    9,265,286.40x = 76,080,957,885,112.33
  5. Step 5: Solve for x
    x = 76,080,957,885,112.33/9,265,286.40
  6. Step 6: Final answer
    x = 8,211,398.40

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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.