Home / 13,567,875.82-20,352,589.56-3,851,728.85

Finding the Fourth Proportional to 13,567,875.82, 20,352,589.56 and 3,851,728.85

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Solution

The fourth proportional to 13,567,875.82, 20,352,589.56 and 3,851,728.85 is: 5,777,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,875.82 : 20,352,589.56 = 3,851,728.85 : x
  2. Step 2: Convert to fraction form
    13,567,875.82/20,352,589.56 = 3,851,728.85/x
  3. Step 3: Cross multiply
    13,567,875.82x = 20,352,589.56 × 3,851,728.85
  4. Step 4: Simplify right side
    13,567,875.82x = 78,392,656,431,342.28
  5. Step 5: Solve for x
    x = 78,392,656,431,342.28/13,567,875.82
  6. Step 6: Final answer
    x = 5,777,813.53

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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.