Home / 7,271,785.20-10,035,132.78-4,008,716.96

Finding the Fourth Proportional to 7,271,785.20, 10,035,132.78 and 4,008,716.96

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Solution

The fourth proportional to 7,271,785.20, 10,035,132.78 and 4,008,716.96 is: 5,532,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271,785.20 : 10,035,132.78 = 4,008,716.96 : x
  2. Step 2: Convert to fraction form
    7,271,785.20/10,035,132.78 = 4,008,716.96/x
  3. Step 3: Cross multiply
    7,271,785.20x = 10,035,132.78 × 4,008,716.96
  4. Step 4: Simplify right side
    7,271,785.20x = 40,228,006,920,862.28
  5. Step 5: Solve for x
    x = 40,228,006,920,862.28/7,271,785.20
  6. Step 6: Final answer
    x = 5,532,067.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.