Home / 13,086,340.80-18,047,393.94-8,192,009.07

Finding the Fourth Proportional to 13,086,340.80, 18,047,393.94 and 8,192,009.07

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Solution

The fourth proportional to 13,086,340.80, 18,047,393.94 and 8,192,009.07 is: 11,297,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,340.80 : 18,047,393.94 = 8,192,009.07 : x
  2. Step 2: Convert to fraction form
    13,086,340.80/18,047,393.94 = 8,192,009.07/x
  3. Step 3: Cross multiply
    13,086,340.80x = 18,047,393.94 × 8,192,009.07
  4. Step 4: Simplify right side
    13,086,340.80x = 147,844,414,846,343.06
  5. Step 5: Solve for x
    x = 147,844,414,846,343.06/13,086,340.80
  6. Step 6: Final answer
    x = 11,297,613.07

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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.