Home / 14,222,999.79-19,627,791.39-7,696,628.58

Finding the Fourth Proportional to 14,222,999.79, 19,627,791.39 and 7,696,628.58

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Solution

The fourth proportional to 14,222,999.79, 19,627,791.39 and 7,696,628.58 is: 10,621,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222,999.79 : 19,627,791.39 = 7,696,628.58 : x
  2. Step 2: Convert to fraction form
    14,222,999.79/19,627,791.39 = 7,696,628.58/x
  3. Step 3: Cross multiply
    14,222,999.79x = 19,627,791.39 × 7,696,628.58
  4. Step 4: Simplify right side
    14,222,999.79x = 151,067,820,174,551.94
  5. Step 5: Solve for x
    x = 151,067,820,174,551.94/14,222,999.79
  6. Step 6: Final answer
    x = 10,621,375.41

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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.