Home / 13,575,469.50-18,734,517.54-7,380,933.21

Finding the Fourth Proportional to 13,575,469.50, 18,734,517.54 and 7,380,933.21

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Solution

The fourth proportional to 13,575,469.50, 18,734,517.54 and 7,380,933.21 is: 10,185,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,469.50 : 18,734,517.54 = 7,380,933.21 : x
  2. Step 2: Convert to fraction form
    13,575,469.50/18,734,517.54 = 7,380,933.21/x
  3. Step 3: Cross multiply
    13,575,469.50x = 18,734,517.54 × 7,380,933.21
  4. Step 4: Simplify right side
    13,575,469.50x = 138,278,222,684,313.50
  5. Step 5: Solve for x
    x = 138,278,222,684,313.50/13,575,469.50
  6. Step 6: Final answer
    x = 10,185,888.80

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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.