Home / 13,086,338.79-18,047,391.19-8,192,007.08

Finding the Fourth Proportional to 13,086,338.79, 18,047,391.19 and 8,192,007.08

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Solution

The fourth proportional to 13,086,338.79, 18,047,391.19 and 8,192,007.08 is: 11,297,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,338.79 : 18,047,391.19 = 8,192,007.08 : x
  2. Step 2: Convert to fraction form
    13,086,338.79/18,047,391.19 = 8,192,007.08/x
  3. Step 3: Cross multiply
    13,086,338.79x = 18,047,391.19 × 8,192,007.08
  4. Step 4: Simplify right side
    13,086,338.79x = 147,844,356,404,009.62
  5. Step 5: Solve for x
    x = 147,844,356,404,009.62/13,086,338.79
  6. Step 6: Final answer
    x = 11,297,610.34

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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.