Home / 22,680,786.20-34,021,179.30-20,342,445.80

Finding the Fourth Proportional to 22,680,786.20, 34,021,179.30 and 20,342,445.80

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Solution

The fourth proportional to 22,680,786.20, 34,021,179.30 and 20,342,445.80 is: 30,513,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680,786.20 : 34,021,179.30 = 20,342,445.80 : x
  2. Step 2: Convert to fraction form
    22,680,786.20/34,021,179.30 = 20,342,445.80/x
  3. Step 3: Cross multiply
    22,680,786.20x = 34,021,179.30 × 20,342,445.80
  4. Step 4: Simplify right side
    22,680,786.20x = 692,073,995,962,331.88
  5. Step 5: Solve for x
    x = 692,073,995,962,331.88/22,680,786.20
  6. Step 6: Final answer
    x = 30,513,668.70

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1.5x scale

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.