Home / 13,051,606.86-18,016,067.79-11,208,664.62

Finding the Fourth Proportional to 13,051,606.86, 18,016,067.79 and 11,208,664.62

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Solution

The fourth proportional to 13,051,606.86, 18,016,067.79 and 11,208,664.62 is: 15,472,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,606.86 : 18,016,067.79 = 11,208,664.62 : x
  2. Step 2: Convert to fraction form
    13,051,606.86/18,016,067.79 = 11,208,664.62/x
  3. Step 3: Cross multiply
    13,051,606.86x = 18,016,067.79 × 11,208,664.62
  4. Step 4: Simplify right side
    13,051,606.86x = 201,936,061,629,294.56
  5. Step 5: Solve for x
    x = 201,936,061,629,294.56/13,051,606.86
  6. Step 6: Final answer
    x = 15,472,122.61

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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.