Home / 7,412,974.18-10,229,825.49-4,149,815.72

Finding the Fourth Proportional to 7,412,974.18, 10,229,825.49 and 4,149,815.72

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Solution

The fourth proportional to 7,412,974.18, 10,229,825.49 and 4,149,815.72 is: 5,726,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412,974.18 : 10,229,825.49 = 4,149,815.72 : x
  2. Step 2: Convert to fraction form
    7,412,974.18/10,229,825.49 = 4,149,815.72/x
  3. Step 3: Cross multiply
    7,412,974.18x = 10,229,825.49 × 4,149,815.72
  4. Step 4: Simplify right side
    7,412,974.18x = 42,451,890,631,258.70
  5. Step 5: Solve for x
    x = 42,451,890,631,258.70/7,412,974.18
  6. Step 6: Final answer
    x = 5,726,701.54

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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.