Home / 16,821,193.92-23,213,257.78-9,086,239.66

Finding the Fourth Proportional to 16,821,193.92, 23,213,257.78 and 9,086,239.66

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Solution

The fourth proportional to 16,821,193.92, 23,213,257.78 and 9,086,239.66 is: 12,539,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,193.92 : 23,213,257.78 = 9,086,239.66 : x
  2. Step 2: Convert to fraction form
    16,821,193.92/23,213,257.78 = 9,086,239.66/x
  3. Step 3: Cross multiply
    16,821,193.92x = 23,213,257.78 × 9,086,239.66
  4. Step 4: Simplify right side
    16,821,193.92x = 210,921,223,431,764.22
  5. Step 5: Solve for x
    x = 210,921,223,431,764.22/16,821,193.92
  6. Step 6: Final answer
    x = 12,539,016.22

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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.