Home / 12,089,236.96-18,133,836-8,291,205.28

Finding the Fourth Proportional to 12,089,236.96, 18,133,836 and 8,291,205.28

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Solution

The fourth proportional to 12,089,236.96, 18,133,836 and 8,291,205.28 is: 12,436,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,236.96 : 18,133,836 = 8,291,205.28 : x
  2. Step 2: Convert to fraction form
    12,089,236.96/18,133,836 = 8,291,205.28/x
  3. Step 3: Cross multiply
    12,089,236.96x = 18,133,836 × 8,291,205.28
  4. Step 4: Simplify right side
    12,089,236.96x = 150,351,356,789,854.09
  5. Step 5: Solve for x
    x = 150,351,356,789,854.09/12,089,236.96
  6. Step 6: Final answer
    x = 12,436,794.59

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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.