Home / 11,478,365.82-15,838,972.67-7,067,390.94

Finding the Fourth Proportional to 11,478,365.82, 15,838,972.67 and 7,067,390.94

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Solution

The fourth proportional to 11,478,365.82, 15,838,972.67 and 7,067,390.94 is: 9,752,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,365.82 : 15,838,972.67 = 7,067,390.94 : x
  2. Step 2: Convert to fraction form
    11,478,365.82/15,838,972.67 = 7,067,390.94/x
  3. Step 3: Cross multiply
    11,478,365.82x = 15,838,972.67 × 7,067,390.94
  4. Step 4: Simplify right side
    11,478,365.82x = 111,940,211,964,534.09
  5. Step 5: Solve for x
    x = 111,940,211,964,534.09/11,478,365.82
  6. Step 6: Final answer
    x = 9,752,277.78

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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.