Home / 8,309,913.40-12,457,346.82-3,259,867.96

Finding the Fourth Proportional to 8,309,913.40, 12,457,346.82 and 3,259,867.96

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Solution

The fourth proportional to 8,309,913.40, 12,457,346.82 and 3,259,867.96 is: 4,886,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,913.40 : 12,457,346.82 = 3,259,867.96 : x
  2. Step 2: Convert to fraction form
    8,309,913.40/12,457,346.82 = 3,259,867.96/x
  3. Step 3: Cross multiply
    8,309,913.40x = 12,457,346.82 × 3,259,867.96
  4. Step 4: Simplify right side
    8,309,913.40x = 40,609,305,765,125.89
  5. Step 5: Solve for x
    x = 40,609,305,765,125.89/8,309,913.40
  6. Step 6: Final answer
    x = 4,886,850.66

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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.