Home / 18,379,075.54-25,370,974.44-13,084,188.56

Finding the Fourth Proportional to 18,379,075.54, 25,370,974.44 and 13,084,188.56

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Solution

The fourth proportional to 18,379,075.54, 25,370,974.44 and 13,084,188.56 is: 18,061,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,075.54 : 25,370,974.44 = 13,084,188.56 : x
  2. Step 2: Convert to fraction form
    18,379,075.54/25,370,974.44 = 13,084,188.56/x
  3. Step 3: Cross multiply
    18,379,075.54x = 25,370,974.44 × 13,084,188.56
  4. Step 4: Simplify right side
    18,379,075.54x = 331,958,613,523,900.44
  5. Step 5: Solve for x
    x = 331,958,613,523,900.44/18,379,075.54
  6. Step 6: Final answer
    x = 18,061,768.82

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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.