Home / 6,520,469.60-9,780,704.40-5,465,460.80

Finding the Fourth Proportional to 6,520,469.60, 9,780,704.40 and 5,465,460.80

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Solution

The fourth proportional to 6,520,469.60, 9,780,704.40 and 5,465,460.80 is: 8,198,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,469.60 : 9,780,704.40 = 5,465,460.80 : x
  2. Step 2: Convert to fraction form
    6,520,469.60/9,780,704.40 = 5,465,460.80/x
  3. Step 3: Cross multiply
    6,520,469.60x = 9,780,704.40 × 5,465,460.80
  4. Step 4: Simplify right side
    6,520,469.60x = 53,456,056,494,587.52
  5. Step 5: Solve for x
    x = 53,456,056,494,587.52/6,520,469.60
  6. Step 6: Final answer
    x = 8,198,191.20

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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.