Home / 8,202,863.20-12,304,294.80-3,408,959.20

Finding the Fourth Proportional to 8,202,863.20, 12,304,294.80 and 3,408,959.20

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Solution

The fourth proportional to 8,202,863.20, 12,304,294.80 and 3,408,959.20 is: 5,113,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,863.20 : 12,304,294.80 = 3,408,959.20 : x
  2. Step 2: Convert to fraction form
    8,202,863.20/12,304,294.80 = 3,408,959.20/x
  3. Step 3: Cross multiply
    8,202,863.20x = 12,304,294.80 × 3,408,959.20
  4. Step 4: Simplify right side
    8,202,863.20x = 41,944,838,957,972.16
  5. Step 5: Solve for x
    x = 41,944,838,957,972.16/8,202,863.20
  6. Step 6: Final answer
    x = 5,113,438.80

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1.5x scale

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.