Home / 20,414,800.40-30,622,200.60-18,855,906.80

Finding the Fourth Proportional to 20,414,800.40, 30,622,200.60 and 18,855,906.80

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Solution

The fourth proportional to 20,414,800.40, 30,622,200.60 and 18,855,906.80 is: 28,283,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,800.40 : 30,622,200.60 = 18,855,906.80 : x
  2. Step 2: Convert to fraction form
    20,414,800.40/30,622,200.60 = 18,855,906.80/x
  3. Step 3: Cross multiply
    20,414,800.40x = 30,622,200.60 × 18,855,906.80
  4. Step 4: Simplify right side
    20,414,800.40x = 577,409,360,524,504.12
  5. Step 5: Solve for x
    x = 577,409,360,524,504.12/20,414,800.40
  6. Step 6: Final answer
    x = 28,283,860.20

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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.