Home / 19,857,672.06-27,403,424.73-11,155,661.43

Finding the Fourth Proportional to 19,857,672.06, 27,403,424.73 and 11,155,661.43

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Solution

The fourth proportional to 19,857,672.06, 27,403,424.73 and 11,155,661.43 is: 15,394,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,672.06 : 27,403,424.73 = 11,155,661.43 : x
  2. Step 2: Convert to fraction form
    19,857,672.06/27,403,424.73 = 11,155,661.43/x
  3. Step 3: Cross multiply
    19,857,672.06x = 27,403,424.73 × 11,155,661.43
  4. Step 4: Simplify right side
    19,857,672.06x = 305,703,328,310,369.19
  5. Step 5: Solve for x
    x = 305,703,328,310,369.19/19,857,672.06
  6. Step 6: Final answer
    x = 15,394,721.36

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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.