Home / 8,215,747.22-12,324,741.79-3,422,315.48

Finding the Fourth Proportional to 8,215,747.22, 12,324,741.79 and 3,422,315.48

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Solution

The fourth proportional to 8,215,747.22, 12,324,741.79 and 3,422,315.48 is: 5,133,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,747.22 : 12,324,741.79 = 3,422,315.48 : x
  2. Step 2: Convert to fraction form
    8,215,747.22/12,324,741.79 = 3,422,315.48/x
  3. Step 3: Cross multiply
    8,215,747.22x = 12,324,741.79 × 3,422,315.48
  4. Step 4: Simplify right side
    8,215,747.22x = 42,179,154,614,919.91
  5. Step 5: Solve for x
    x = 42,179,154,614,919.91/8,215,747.22
  6. Step 6: Final answer
    x = 5,133,940.16

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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.