Home / 21,723,717-32,589,771.68-8,259,498.12

Finding the Fourth Proportional to 21,723,717, 32,589,771.68 and 8,259,498.12

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Solution

The fourth proportional to 21,723,717, 32,589,771.68 and 8,259,498.12 is: 12,390,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,717 : 32,589,771.68 = 8,259,498.12 : x
  2. Step 2: Convert to fraction form
    21,723,717/32,589,771.68 = 8,259,498.12/x
  3. Step 3: Cross multiply
    21,723,717x = 32,589,771.68 × 8,259,498.12
  4. Step 4: Simplify right side
    21,723,717x = 269,175,157,922,189.25
  5. Step 5: Solve for x
    x = 269,175,157,922,189.25/21,723,717
  6. Step 6: Final answer
    x = 12,390,842.59

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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.