Home / 8,202,874.60-12,304,311.90-3,942,015.40

Finding the Fourth Proportional to 8,202,874.60, 12,304,311.90 and 3,942,015.40

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Solution

The fourth proportional to 8,202,874.60, 12,304,311.90 and 3,942,015.40 is: 5,913,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,874.60 : 12,304,311.90 = 3,942,015.40 : x
  2. Step 2: Convert to fraction form
    8,202,874.60/12,304,311.90 = 3,942,015.40/x
  3. Step 3: Cross multiply
    8,202,874.60x = 12,304,311.90 × 3,942,015.40
  4. Step 4: Simplify right side
    8,202,874.60x = 48,503,786,996,203.26
  5. Step 5: Solve for x
    x = 48,503,786,996,203.26/8,202,874.60
  6. Step 6: Final answer
    x = 5,913,023.10

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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.