Home / 12,396,825.20-18,597,862.20-3,760,216.40

Finding the Fourth Proportional to 12,396,825.20, 18,597,862.20 and 3,760,216.40

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Solution

The fourth proportional to 12,396,825.20, 18,597,862.20 and 3,760,216.40 is: 5,641,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,825.20 : 18,597,862.20 = 3,760,216.40 : x
  2. Step 2: Convert to fraction form
    12,396,825.20/18,597,862.20 = 3,760,216.40/x
  3. Step 3: Cross multiply
    12,396,825.20x = 18,597,862.20 × 3,760,216.40
  4. Step 4: Simplify right side
    12,396,825.20x = 69,931,986,449,380.08
  5. Step 5: Solve for x
    x = 69,931,986,449,380.08/12,396,825.20
  6. Step 6: Final answer
    x = 5,641,120.64

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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.