Home / 12,089,711.70-18,144,481.95-11,995,233.30

Finding the Fourth Proportional to 12,089,711.70, 18,144,481.95 and 11,995,233.30

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Solution

The fourth proportional to 12,089,711.70, 18,144,481.95 and 11,995,233.30 is: 18,002,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,711.70 : 18,144,481.95 = 11,995,233.30 : x
  2. Step 2: Convert to fraction form
    12,089,711.70/18,144,481.95 = 11,995,233.30/x
  3. Step 3: Cross multiply
    12,089,711.70x = 18,144,481.95 × 11,995,233.30
  4. Step 4: Simplify right side
    12,089,711.70x = 217,647,294,097,888.94
  5. Step 5: Solve for x
    x = 217,647,294,097,888.94/12,089,711.70
  6. Step 6: Final answer
    x = 18,002,686.87

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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.