Home / 22,419,906.80-33,629,860.20-20,506,719.20

Finding the Fourth Proportional to 22,419,906.80, 33,629,860.20 and 20,506,719.20

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Solution

The fourth proportional to 22,419,906.80, 33,629,860.20 and 20,506,719.20 is: 30,760,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419,906.80 : 33,629,860.20 = 20,506,719.20 : x
  2. Step 2: Convert to fraction form
    22,419,906.80/33,629,860.20 = 20,506,719.20/x
  3. Step 3: Cross multiply
    22,419,906.80x = 33,629,860.20 × 20,506,719.20
  4. Step 4: Simplify right side
    22,419,906.80x = 689,638,099,856,655.88
  5. Step 5: Solve for x
    x = 689,638,099,856,655.88/22,419,906.80
  6. Step 6: Final answer
    x = 30,760,078.80

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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.