Home / 8,309,912.40-12,457,345.32-3,259,866.96

Finding the Fourth Proportional to 8,309,912.40, 12,457,345.32 and 3,259,866.96

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Solution

The fourth proportional to 8,309,912.40, 12,457,345.32 and 3,259,866.96 is: 4,886,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,912.40 : 12,457,345.32 = 3,259,866.96 : x
  2. Step 2: Convert to fraction form
    8,309,912.40/12,457,345.32 = 3,259,866.96/x
  3. Step 3: Cross multiply
    8,309,912.40x = 12,457,345.32 × 3,259,866.96
  4. Step 4: Simplify right side
    8,309,912.40x = 40,609,288,417,978.62
  5. Step 5: Solve for x
    x = 40,609,288,417,978.62/8,309,912.40
  6. Step 6: Final answer
    x = 4,886,849.16

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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.