Home / 17,170,000.80-25,755,001.20-4,391,505.60

Finding the Fourth Proportional to 17,170,000.80, 25,755,001.20 and 4,391,505.60

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Solution

The fourth proportional to 17,170,000.80, 25,755,001.20 and 4,391,505.60 is: 6,587,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170,000.80 : 25,755,001.20 = 4,391,505.60 : x
  2. Step 2: Convert to fraction form
    17,170,000.80/25,755,001.20 = 4,391,505.60/x
  3. Step 3: Cross multiply
    17,170,000.80x = 25,755,001.20 × 4,391,505.60
  4. Step 4: Simplify right side
    17,170,000.80x = 113,103,231,997,806.70
  5. Step 5: Solve for x
    x = 113,103,231,997,806.70/17,170,000.80
  6. Step 6: Final answer
    x = 6,587,258.40

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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.