Home / 22,079,375.76-30,469,883.22-12,289,926.36

Finding the Fourth Proportional to 22,079,375.76, 30,469,883.22 and 12,289,926.36

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Solution

The fourth proportional to 22,079,375.76, 30,469,883.22 and 12,289,926.36 is: 16,960,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079,375.76 : 30,469,883.22 = 12,289,926.36 : x
  2. Step 2: Convert to fraction form
    22,079,375.76/30,469,883.22 = 12,289,926.36/x
  3. Step 3: Cross multiply
    22,079,375.76x = 30,469,883.22 × 12,289,926.36
  4. Step 4: Simplify right side
    22,079,375.76x = 374,472,620,971,599.62
  5. Step 5: Solve for x
    x = 374,472,620,971,599.62/22,079,375.76
  6. Step 6: Final answer
    x = 16,960,290.23

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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.