Home / 8,305,205.70-12,457,808.55-3,511,301.70

Finding the Fourth Proportional to 8,305,205.70, 12,457,808.55 and 3,511,301.70

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Solution

The fourth proportional to 8,305,205.70, 12,457,808.55 and 3,511,301.70 is: 5,266,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,205.70 : 12,457,808.55 = 3,511,301.70 : x
  2. Step 2: Convert to fraction form
    8,305,205.70/12,457,808.55 = 3,511,301.70/x
  3. Step 3: Cross multiply
    8,305,205.70x = 12,457,808.55 × 3,511,301.70
  4. Step 4: Simplify right side
    8,305,205.70x = 43,743,124,339,889.54
  5. Step 5: Solve for x
    x = 43,743,124,339,889.54/8,305,205.70
  6. Step 6: Final answer
    x = 5,266,952.55

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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.