Home / 13,040,805.80-19,561,208.70-8,190,914.60

Finding the Fourth Proportional to 13,040,805.80, 19,561,208.70 and 8,190,914.60

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Solution

The fourth proportional to 13,040,805.80, 19,561,208.70 and 8,190,914.60 is: 12,286,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,805.80 : 19,561,208.70 = 8,190,914.60 : x
  2. Step 2: Convert to fraction form
    13,040,805.80/19,561,208.70 = 8,190,914.60/x
  3. Step 3: Cross multiply
    13,040,805.80x = 19,561,208.70 × 8,190,914.60
  4. Step 4: Simplify right side
    13,040,805.80x = 160,224,189,934,477
  5. Step 5: Solve for x
    x = 160,224,189,934,477/13,040,805.80
  6. Step 6: Final answer
    x = 12,286,371.90

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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.