Home / 12,528,324.41-17,291,512.35-8,169,843.90

Finding the Fourth Proportional to 12,528,324.41, 17,291,512.35 and 8,169,843.90

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Solution

The fourth proportional to 12,528,324.41, 17,291,512.35 and 8,169,843.90 is: 11,275,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,324.41 : 17,291,512.35 = 8,169,843.90 : x
  2. Step 2: Convert to fraction form
    12,528,324.41/17,291,512.35 = 8,169,843.90/x
  3. Step 3: Cross multiply
    12,528,324.41x = 17,291,512.35 × 8,169,843.90
  4. Step 4: Simplify right side
    12,528,324.41x = 141,268,956,694,422.19
  5. Step 5: Solve for x
    x = 141,268,956,694,422.19/12,528,324.41
  6. Step 6: Final answer
    x = 11,275,965.73

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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.