Home / 7,801,997.20-11,702,995.80-7,690,022.80

Finding the Fourth Proportional to 7,801,997.20, 11,702,995.80 and 7,690,022.80

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Solution

The fourth proportional to 7,801,997.20, 11,702,995.80 and 7,690,022.80 is: 11,535,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,997.20 : 11,702,995.80 = 7,690,022.80 : x
  2. Step 2: Convert to fraction form
    7,801,997.20/11,702,995.80 = 7,690,022.80/x
  3. Step 3: Cross multiply
    7,801,997.20x = 11,702,995.80 × 7,690,022.80
  4. Step 4: Simplify right side
    7,801,997.20x = 89,996,304,530,304.25
  5. Step 5: Solve for x
    x = 89,996,304,530,304.25/7,801,997.20
  6. Step 6: Final answer
    x = 11,535,034.20

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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.