Home / 7,474,067.70-11,211,101.55-6,812,718.90

Finding the Fourth Proportional to 7,474,067.70, 11,211,101.55 and 6,812,718.90

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Solution

The fourth proportional to 7,474,067.70, 11,211,101.55 and 6,812,718.90 is: 10,219,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,067.70 : 11,211,101.55 = 6,812,718.90 : x
  2. Step 2: Convert to fraction form
    7,474,067.70/11,211,101.55 = 6,812,718.90/x
  3. Step 3: Cross multiply
    7,474,067.70x = 11,211,101.55 × 6,812,718.90
  4. Step 4: Simplify right side
    7,474,067.70x = 76,378,083,419,504.30
  5. Step 5: Solve for x
    x = 76,378,083,419,504.30/7,474,067.70
  6. Step 6: Final answer
    x = 10,219,078.35

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1.5x scale

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.