Home / 18,113,021.78-27,100,973.07-10,731,034.11

Finding the Fourth Proportional to 18,113,021.78, 27,100,973.07 and 10,731,034.11

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Solution

The fourth proportional to 18,113,021.78, 27,100,973.07 and 10,731,034.11 is: 16,055,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113,021.78 : 27,100,973.07 = 10,731,034.11 : x
  2. Step 2: Convert to fraction form
    18,113,021.78/27,100,973.07 = 10,731,034.11/x
  3. Step 3: Cross multiply
    18,113,021.78x = 27,100,973.07 × 10,731,034.11
  4. Step 4: Simplify right side
    18,113,021.78x = 290,821,466,428,361.38
  5. Step 5: Solve for x
    x = 290,821,466,428,361.38/18,113,021.78
  6. Step 6: Final answer
    x = 16,055,933.13

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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.