Home / 20,467,622.43-28,247,796-11,649,217.91

Finding the Fourth Proportional to 20,467,622.43, 28,247,796 and 11,649,217.91

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Solution

The fourth proportional to 20,467,622.43, 28,247,796 and 11,649,217.91 is: 16,077,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,622.43 : 28,247,796 = 11,649,217.91 : x
  2. Step 2: Convert to fraction form
    20,467,622.43/28,247,796 = 11,649,217.91/x
  3. Step 3: Cross multiply
    20,467,622.43x = 28,247,796 × 11,649,217.91
  4. Step 4: Simplify right side
    20,467,622.43x = 329,064,730,939,987.38
  5. Step 5: Solve for x
    x = 329,064,730,939,987.38/20,467,622.43
  6. Step 6: Final answer
    x = 16,077,330.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.