Home / 13,886,144.06-19,162,664.79-7,774,791.26

Finding the Fourth Proportional to 13,886,144.06, 19,162,664.79 and 7,774,791.26

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Solution

The fourth proportional to 13,886,144.06, 19,162,664.79 and 7,774,791.26 is: 10,729,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,144.06 : 19,162,664.79 = 7,774,791.26 : x
  2. Step 2: Convert to fraction form
    13,886,144.06/19,162,664.79 = 7,774,791.26/x
  3. Step 3: Cross multiply
    13,886,144.06x = 19,162,664.79 × 7,774,791.26
  4. Step 4: Simplify right side
    13,886,144.06x = 148,985,718,727,601.72
  5. Step 5: Solve for x
    x = 148,985,718,727,601.72/13,886,144.06
  6. Step 6: Final answer
    x = 10,729,092.11

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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.