Home / 8,520,469.20-12,787,961.40-3,475,400.40

Finding the Fourth Proportional to 8,520,469.20, 12,787,961.40 and 3,475,400.40

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Solution

The fourth proportional to 8,520,469.20, 12,787,961.40 and 3,475,400.40 is: 5,216,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,469.20 : 12,787,961.40 = 3,475,400.40 : x
  2. Step 2: Convert to fraction form
    8,520,469.20/12,787,961.40 = 3,475,400.40/x
  3. Step 3: Cross multiply
    8,520,469.20x = 12,787,961.40 × 3,475,400.40
  4. Step 4: Simplify right side
    8,520,469.20x = 44,443,286,164,744.56
  5. Step 5: Solve for x
    x = 44,443,286,164,744.56/8,520,469.20
  6. Step 6: Final answer
    x = 5,216,060.89

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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.