Home / 8,721,850.80-13,082,776.20-6,454,369.20

Finding the Fourth Proportional to 8,721,850.80, 13,082,776.20 and 6,454,369.20

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Solution

The fourth proportional to 8,721,850.80, 13,082,776.20 and 6,454,369.20 is: 9,681,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,850.80 : 13,082,776.20 = 6,454,369.20 : x
  2. Step 2: Convert to fraction form
    8,721,850.80/13,082,776.20 = 6,454,369.20/x
  3. Step 3: Cross multiply
    8,721,850.80x = 13,082,776.20 × 6,454,369.20
  4. Step 4: Simplify right side
    8,721,850.80x = 84,441,067,755,773.03
  5. Step 5: Solve for x
    x = 84,441,067,755,773.03/8,721,850.80
  6. Step 6: Final answer
    x = 9,681,553.80

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Double scale
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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.