Home / 33,990,079.28-46,906,316.15-18,520,163.92

Finding the Fourth Proportional to 33,990,079.28, 46,906,316.15 and 18,520,163.92

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Solution

The fourth proportional to 33,990,079.28, 46,906,316.15 and 18,520,163.92 is: 25,557,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990,079.28 : 46,906,316.15 = 18,520,163.92 : x
  2. Step 2: Convert to fraction form
    33,990,079.28/46,906,316.15 = 18,520,163.92/x
  3. Step 3: Cross multiply
    33,990,079.28x = 46,906,316.15 × 18,520,163.92
  4. Step 4: Simplify right side
    33,990,079.28x = 868,712,663,981,343.38
  5. Step 5: Solve for x
    x = 868,712,663,981,343.38/33,990,079.28
  6. Step 6: Final answer
    x = 25,557,829.88

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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.