Home / 23,112,861.90-31,895,138.97-13,189,566.73

Finding the Fourth Proportional to 23,112,861.90, 31,895,138.97 and 13,189,566.73

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Solution

The fourth proportional to 23,112,861.90, 31,895,138.97 and 13,189,566.73 is: 18,201,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112,861.90 : 31,895,138.97 = 13,189,566.73 : x
  2. Step 2: Convert to fraction form
    23,112,861.90/31,895,138.97 = 13,189,566.73/x
  3. Step 3: Cross multiply
    23,112,861.90x = 31,895,138.97 × 13,189,566.73
  4. Step 4: Simplify right side
    23,112,861.90x = 420,683,063,914,287.69
  5. Step 5: Solve for x
    x = 420,683,063,914,287.69/23,112,861.90
  6. Step 6: Final answer
    x = 18,201,253.73

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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.