Home / 36,290,433.60-54,435,650.40-20,984,932.80

Finding the Fourth Proportional to 36,290,433.60, 54,435,650.40 and 20,984,932.80

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Solution

The fourth proportional to 36,290,433.60, 54,435,650.40 and 20,984,932.80 is: 31,477,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290,433.60 : 54,435,650.40 = 20,984,932.80 : x
  2. Step 2: Convert to fraction form
    36,290,433.60/54,435,650.40 = 20,984,932.80/x
  3. Step 3: Cross multiply
    36,290,433.60x = 54,435,650.40 × 20,984,932.80
  4. Step 4: Simplify right side
    36,290,433.60x = 1,142,328,465,568,293.25
  5. Step 5: Solve for x
    x = 1,142,328,465,568,293.25/36,290,433.60
  6. Step 6: Final answer
    x = 31,477,399.20

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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.