Home / 7,990,433.28-11,985,999.84-2,311,231.68

Finding the Fourth Proportional to 7,990,433.28, 11,985,999.84 and 2,311,231.68

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Solution

The fourth proportional to 7,990,433.28, 11,985,999.84 and 2,311,231.68 is: 3,466,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,433.28 : 11,985,999.84 = 2,311,231.68 : x
  2. Step 2: Convert to fraction form
    7,990,433.28/11,985,999.84 = 2,311,231.68/x
  3. Step 3: Cross multiply
    7,990,433.28x = 11,985,999.84 × 2,311,231.68
  4. Step 4: Simplify right side
    7,990,433.28x = 27,702,422,546,682.93
  5. Step 5: Solve for x
    x = 27,702,422,546,682.93/7,990,433.28
  6. Step 6: Final answer
    x = 3,466,948.73

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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.