Home / 12,568,388.88-18,826,426.44-7,996,792.08

Finding the Fourth Proportional to 12,568,388.88, 18,826,426.44 and 7,996,792.08

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Solution

The fourth proportional to 12,568,388.88, 18,826,426.44 and 7,996,792.08 is: 11,978,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,388.88 : 18,826,426.44 = 7,996,792.08 : x
  2. Step 2: Convert to fraction form
    12,568,388.88/18,826,426.44 = 7,996,792.08/x
  3. Step 3: Cross multiply
    12,568,388.88x = 18,826,426.44 × 7,996,792.08
  4. Step 4: Simplify right side
    12,568,388.88x = 150,551,017,850,094.59
  5. Step 5: Solve for x
    x = 150,551,017,850,094.59/12,568,388.88
  6. Step 6: Final answer
    x = 11,978,545.48

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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.