Home / 18,658,539-27,924,606.90-11,474,629.56

Finding the Fourth Proportional to 18,658,539, 27,924,606.90 and 11,474,629.56

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Solution

The fourth proportional to 18,658,539, 27,924,606.90 and 11,474,629.56 is: 17,173,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658,539 : 27,924,606.90 = 11,474,629.56 : x
  2. Step 2: Convert to fraction form
    18,658,539/27,924,606.90 = 11,474,629.56/x
  3. Step 3: Cross multiply
    18,658,539x = 27,924,606.90 × 11,474,629.56
  4. Step 4: Simplify right side
    18,658,539x = 320,424,519,786,119.94
  5. Step 5: Solve for x
    x = 320,424,519,786,119.94/18,658,539
  6. Step 6: Final answer
    x = 17,173,076.62

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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.