Home / 12,089,725.20-18,144,502.20-11,995,246.80

Finding the Fourth Proportional to 12,089,725.20, 18,144,502.20 and 11,995,246.80

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Solution

The fourth proportional to 12,089,725.20, 18,144,502.20 and 11,995,246.80 is: 18,002,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,725.20 : 18,144,502.20 = 11,995,246.80 : x
  2. Step 2: Convert to fraction form
    12,089,725.20/18,144,502.20 = 11,995,246.80/x
  3. Step 3: Cross multiply
    12,089,725.20x = 18,144,502.20 × 11,995,246.80
  4. Step 4: Simplify right side
    12,089,725.20x = 217,647,781,952,142.97
  5. Step 5: Solve for x
    x = 217,647,781,952,142.97/12,089,725.20
  6. Step 6: Final answer
    x = 18,002,707.12

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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.