Home / 36,906,016.80-55,359,025.20-19,687,328.40

Finding the Fourth Proportional to 36,906,016.80, 55,359,025.20 and 19,687,328.40

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Solution

The fourth proportional to 36,906,016.80, 55,359,025.20 and 19,687,328.40 is: 29,530,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906,016.80 : 55,359,025.20 = 19,687,328.40 : x
  2. Step 2: Convert to fraction form
    36,906,016.80/55,359,025.20 = 19,687,328.40/x
  3. Step 3: Cross multiply
    36,906,016.80x = 55,359,025.20 × 19,687,328.40
  4. Step 4: Simplify right side
    36,906,016.80x = 1,089,871,309,016,275.62
  5. Step 5: Solve for x
    x = 1,089,871,309,016,275.62/36,906,016.80
  6. Step 6: Final answer
    x = 29,530,992.60

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Similar ratio
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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.