Home / 8,040,930.70-12,061,396.05-7,649,020.30

Finding the Fourth Proportional to 8,040,930.70, 12,061,396.05 and 7,649,020.30

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Solution

The fourth proportional to 8,040,930.70, 12,061,396.05 and 7,649,020.30 is: 11,473,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,930.70 : 12,061,396.05 = 7,649,020.30 : x
  2. Step 2: Convert to fraction form
    8,040,930.70/12,061,396.05 = 7,649,020.30/x
  3. Step 3: Cross multiply
    8,040,930.70x = 12,061,396.05 × 7,649,020.30
  4. Step 4: Simplify right side
    8,040,930.70x = 92,257,863,232,789.81
  5. Step 5: Solve for x
    x = 92,257,863,232,789.81/8,040,930.70
  6. Step 6: Final answer
    x = 11,473,530.45

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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.