Home / 13,738,186.81-18,958,968.96-7,543,179.33

Finding the Fourth Proportional to 13,738,186.81, 18,958,968.96 and 7,543,179.33

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Solution

The fourth proportional to 13,738,186.81, 18,958,968.96 and 7,543,179.33 is: 10,409,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738,186.81 : 18,958,968.96 = 7,543,179.33 : x
  2. Step 2: Convert to fraction form
    13,738,186.81/18,958,968.96 = 7,543,179.33/x
  3. Step 3: Cross multiply
    13,738,186.81x = 18,958,968.96 × 7,543,179.33
  4. Step 4: Simplify right side
    13,738,186.81x = 143,010,902,777,183.59
  5. Step 5: Solve for x
    x = 143,010,902,777,183.59/13,738,186.81
  6. Step 6: Final answer
    x = 10,409,736.36

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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.