Home / 8,202,076.80-12,303,115.20-3,419,107.80

Finding the Fourth Proportional to 8,202,076.80, 12,303,115.20 and 3,419,107.80

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Solution

The fourth proportional to 8,202,076.80, 12,303,115.20 and 3,419,107.80 is: 5,128,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,076.80 : 12,303,115.20 = 3,419,107.80 : x
  2. Step 2: Convert to fraction form
    8,202,076.80/12,303,115.20 = 3,419,107.80/x
  3. Step 3: Cross multiply
    8,202,076.80x = 12,303,115.20 × 3,419,107.80
  4. Step 4: Simplify right side
    8,202,076.80x = 42,065,677,144,618.55
  5. Step 5: Solve for x
    x = 42,065,677,144,618.55/8,202,076.80
  6. Step 6: Final answer
    x = 5,128,661.70

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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.