Home / 8,910,190.80-13,365,286.20-7,634,732.40

Finding the Fourth Proportional to 8,910,190.80, 13,365,286.20 and 7,634,732.40

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Solution

The fourth proportional to 8,910,190.80, 13,365,286.20 and 7,634,732.40 is: 11,452,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,190.80 : 13,365,286.20 = 7,634,732.40 : x
  2. Step 2: Convert to fraction form
    8,910,190.80/13,365,286.20 = 7,634,732.40/x
  3. Step 3: Cross multiply
    8,910,190.80x = 13,365,286.20 × 7,634,732.40
  4. Step 4: Simplify right side
    8,910,190.80x = 102,040,383,586,412.88
  5. Step 5: Solve for x
    x = 102,040,383,586,412.88/8,910,190.80
  6. Step 6: Final answer
    x = 11,452,098.60

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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.