Home / 14,987,221.56-20,682,743.70-9,189,200.22

Finding the Fourth Proportional to 14,987,221.56, 20,682,743.70 and 9,189,200.22

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Solution

The fourth proportional to 14,987,221.56, 20,682,743.70 and 9,189,200.22 is: 12,681,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,221.56 : 20,682,743.70 = 9,189,200.22 : x
  2. Step 2: Convert to fraction form
    14,987,221.56/20,682,743.70 = 9,189,200.22/x
  3. Step 3: Cross multiply
    14,987,221.56x = 20,682,743.70 × 9,189,200.22
  4. Step 4: Simplify right side
    14,987,221.56x = 190,057,872,958,243.62
  5. Step 5: Solve for x
    x = 190,057,872,958,243.62/14,987,221.56
  6. Step 6: Final answer
    x = 12,681,328.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.