Home / 12,089,712.70-18,144,483.45-11,995,234.30

Finding the Fourth Proportional to 12,089,712.70, 18,144,483.45 and 11,995,234.30

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Solution

The fourth proportional to 12,089,712.70, 18,144,483.45 and 11,995,234.30 is: 18,002,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,712.70 : 18,144,483.45 = 11,995,234.30 : x
  2. Step 2: Convert to fraction form
    12,089,712.70/18,144,483.45 = 11,995,234.30/x
  3. Step 3: Cross multiply
    12,089,712.70x = 18,144,483.45 × 11,995,234.30
  4. Step 4: Simplify right side
    12,089,712.70x = 217,647,330,235,222.34
  5. Step 5: Solve for x
    x = 217,647,330,235,222.34/12,089,712.70
  6. Step 6: Final answer
    x = 18,002,688.37

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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.