Home / 8,520,121.80-12,775,517.10-3,465,721.80

Finding the Fourth Proportional to 8,520,121.80, 12,775,517.10 and 3,465,721.80

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Solution

The fourth proportional to 8,520,121.80, 12,775,517.10 and 3,465,721.80 is: 5,196,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,121.80 : 12,775,517.10 = 3,465,721.80 : x
  2. Step 2: Convert to fraction form
    8,520,121.80/12,775,517.10 = 3,465,721.80/x
  3. Step 3: Cross multiply
    8,520,121.80x = 12,775,517.10 × 3,465,721.80
  4. Step 4: Simplify right side
    8,520,121.80x = 44,276,388,119,742.77
  5. Step 5: Solve for x
    x = 44,276,388,119,742.77/8,520,121.80
  6. Step 6: Final answer
    x = 5,196,684.88

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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.