Home / 13,542,783.12-20,309,450.75-5,965,615.44

Finding the Fourth Proportional to 13,542,783.12, 20,309,450.75 and 5,965,615.44

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Solution

The fourth proportional to 13,542,783.12, 20,309,450.75 and 5,965,615.44 is: 8,946,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,783.12 : 20,309,450.75 = 5,965,615.44 : x
  2. Step 2: Convert to fraction form
    13,542,783.12/20,309,450.75 = 5,965,615.44/x
  3. Step 3: Cross multiply
    13,542,783.12x = 20,309,450.75 × 5,965,615.44
  4. Step 4: Simplify right side
    13,542,783.12x = 121,158,372,972,119.59
  5. Step 5: Solve for x
    x = 121,158,372,972,119.59/13,542,783.12
  6. Step 6: Final answer
    x = 8,946,342.26

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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.