Home / 8,747,999.20-13,121,998.80-6,197,082.40

Finding the Fourth Proportional to 8,747,999.20, 13,121,998.80 and 6,197,082.40

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Solution

The fourth proportional to 8,747,999.20, 13,121,998.80 and 6,197,082.40 is: 9,295,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,999.20 : 13,121,998.80 = 6,197,082.40 : x
  2. Step 2: Convert to fraction form
    8,747,999.20/13,121,998.80 = 6,197,082.40/x
  3. Step 3: Cross multiply
    8,747,999.20x = 13,121,998.80 × 6,197,082.40
  4. Step 4: Simplify right side
    8,747,999.20x = 81,318,107,816,301.12
  5. Step 5: Solve for x
    x = 81,318,107,816,301.12/8,747,999.20
  6. Step 6: Final answer
    x = 9,295,623.60

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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.