Home / 21,238,162.56-31,857,245.28-8,467,635.33

Finding the Fourth Proportional to 21,238,162.56, 31,857,245.28 and 8,467,635.33

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Solution

The fourth proportional to 21,238,162.56, 31,857,245.28 and 8,467,635.33 is: 12,701,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,238,162.56 : 31,857,245.28 = 8,467,635.33 : x
  2. Step 2: Convert to fraction form
    21,238,162.56/31,857,245.28 = 8,467,635.33/x
  3. Step 3: Cross multiply
    21,238,162.56x = 31,857,245.28 × 8,467,635.33
  4. Step 4: Simplify right side
    21,238,162.56x = 269,755,535,649,403.75
  5. Step 5: Solve for x
    x = 269,755,535,649,403.75/21,238,162.56
  6. Step 6: Final answer
    x = 12,701,453.57

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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.