Home / 5,385,102.40-8,067,823.20-3,281,396.80

Finding the Fourth Proportional to 5,385,102.40, 8,067,823.20 and 3,281,396.80

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Solution

The fourth proportional to 5,385,102.40, 8,067,823.20 and 3,281,396.80 is: 4,916,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,102.40 : 8,067,823.20 = 3,281,396.80 : x
  2. Step 2: Convert to fraction form
    5,385,102.40/8,067,823.20 = 3,281,396.80/x
  3. Step 3: Cross multiply
    5,385,102.40x = 8,067,823.20 × 3,281,396.80
  4. Step 4: Simplify right side
    5,385,102.40x = 26,473,729,231,445.76
  5. Step 5: Solve for x
    x = 26,473,729,231,445.76/5,385,102.40
  6. Step 6: Final answer
    x = 4,916,105.07

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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.