Home / 12,089,234.46-18,133,832.25-8,291,202.78

Finding the Fourth Proportional to 12,089,234.46, 18,133,832.25 and 8,291,202.78

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Solution

The fourth proportional to 12,089,234.46, 18,133,832.25 and 8,291,202.78 is: 12,436,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,234.46 : 18,133,832.25 = 8,291,202.78 : x
  2. Step 2: Convert to fraction form
    12,089,234.46/18,133,832.25 = 8,291,202.78/x
  3. Step 3: Cross multiply
    12,089,234.46x = 18,133,832.25 × 8,291,202.78
  4. Step 4: Simplify right side
    12,089,234.46x = 150,351,280,363,253.66
  5. Step 5: Solve for x
    x = 150,351,280,363,253.66/12,089,234.46
  6. Step 6: Final answer
    x = 12,436,790.84

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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.