Home / 7,078,766.82-10,618,378.49-1,961,246.04

Finding the Fourth Proportional to 7,078,766.82, 10,618,378.49 and 1,961,246.04

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Solution

The fourth proportional to 7,078,766.82, 10,618,378.49 and 1,961,246.04 is: 2,941,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,766.82 : 10,618,378.49 = 1,961,246.04 : x
  2. Step 2: Convert to fraction form
    7,078,766.82/10,618,378.49 = 1,961,246.04/x
  3. Step 3: Cross multiply
    7,078,766.82x = 10,618,378.49 × 1,961,246.04
  4. Step 4: Simplify right side
    7,078,766.82x = 20,825,252,764,733.68
  5. Step 5: Solve for x
    x = 20,825,252,764,733.68/7,078,766.82
  6. Step 6: Final answer
    x = 2,941,932.30

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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.