Home / 12,268,782.22-16,930,843.68-6,687,022.40

Finding the Fourth Proportional to 12,268,782.22, 16,930,843.68 and 6,687,022.40

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Solution

The fourth proportional to 12,268,782.22, 16,930,843.68 and 6,687,022.40 is: 9,228,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,782.22 : 16,930,843.68 = 6,687,022.40 : x
  2. Step 2: Convert to fraction form
    12,268,782.22/16,930,843.68 = 6,687,022.40/x
  3. Step 3: Cross multiply
    12,268,782.22x = 16,930,843.68 × 6,687,022.40
  4. Step 4: Simplify right side
    12,268,782.22x = 113,216,930,939,058.44
  5. Step 5: Solve for x
    x = 113,216,930,939,058.44/12,268,782.22
  6. Step 6: Final answer
    x = 9,228,049.61

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1.5x scale

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.