Home / 8,084,559.70-12,126,839.55-7,340,542.30

Finding the Fourth Proportional to 8,084,559.70, 12,126,839.55 and 7,340,542.30

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Solution

The fourth proportional to 8,084,559.70, 12,126,839.55 and 7,340,542.30 is: 11,010,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,559.70 : 12,126,839.55 = 7,340,542.30 : x
  2. Step 2: Convert to fraction form
    8,084,559.70/12,126,839.55 = 7,340,542.30/x
  3. Step 3: Cross multiply
    8,084,559.70x = 12,126,839.55 × 7,340,542.30
  4. Step 4: Simplify right side
    8,084,559.70x = 89,017,578,682,087.97
  5. Step 5: Solve for x
    x = 89,017,578,682,087.97/8,084,559.70
  6. Step 6: Final answer
    x = 11,010,813.45

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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.