Home / 9,203,998.80-13,805,998.20-7,786,822.80

Finding the Fourth Proportional to 9,203,998.80, 13,805,998.20 and 7,786,822.80

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Solution

The fourth proportional to 9,203,998.80, 13,805,998.20 and 7,786,822.80 is: 11,680,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203,998.80 : 13,805,998.20 = 7,786,822.80 : x
  2. Step 2: Convert to fraction form
    9,203,998.80/13,805,998.20 = 7,786,822.80/x
  3. Step 3: Cross multiply
    9,203,998.80x = 13,805,998.20 × 7,786,822.80
  4. Step 4: Simplify right side
    9,203,998.80x = 107,504,861,560,518.95
  5. Step 5: Solve for x
    x = 107,504,861,560,518.95/9,203,998.80
  6. Step 6: Final answer
    x = 11,680,234.20

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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.