Home / 18,171,152.80-27,256,729.20-11,004,791.20

Finding the Fourth Proportional to 18,171,152.80, 27,256,729.20 and 11,004,791.20

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Solution

The fourth proportional to 18,171,152.80, 27,256,729.20 and 11,004,791.20 is: 16,507,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,152.80 : 27,256,729.20 = 11,004,791.20 : x
  2. Step 2: Convert to fraction form
    18,171,152.80/27,256,729.20 = 11,004,791.20/x
  3. Step 3: Cross multiply
    18,171,152.80x = 27,256,729.20 × 11,004,791.20
  4. Step 4: Simplify right side
    18,171,152.80x = 299,954,613,640,943
  5. Step 5: Solve for x
    x = 299,954,613,640,943/18,171,152.80
  6. Step 6: Final answer
    x = 16,507,186.80

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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.