Home / 36,245,009.20-54,367,513.80-20,120,695.60

Finding the Fourth Proportional to 36,245,009.20, 54,367,513.80 and 20,120,695.60

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Solution

The fourth proportional to 36,245,009.20, 54,367,513.80 and 20,120,695.60 is: 30,181,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245,009.20 : 54,367,513.80 = 20,120,695.60 : x
  2. Step 2: Convert to fraction form
    36,245,009.20/54,367,513.80 = 20,120,695.60/x
  3. Step 3: Cross multiply
    36,245,009.20x = 54,367,513.80 × 20,120,695.60
  4. Step 4: Simplify right side
    36,245,009.20x = 1,093,912,195,698,599.25
  5. Step 5: Solve for x
    x = 1,093,912,195,698,599.25/36,245,009.20
  6. Step 6: Final answer
    x = 30,181,043.40

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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.