Home / 11,702,992.35-16,143,067.62-7,729,287.87

Finding the Fourth Proportional to 11,702,992.35, 16,143,067.62 and 7,729,287.87

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Solution

The fourth proportional to 11,702,992.35, 16,143,067.62 and 7,729,287.87 is: 10,661,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,992.35 : 16,143,067.62 = 7,729,287.87 : x
  2. Step 2: Convert to fraction form
    11,702,992.35/16,143,067.62 = 7,729,287.87/x
  3. Step 3: Cross multiply
    11,702,992.35x = 16,143,067.62 × 7,729,287.87
  4. Step 4: Simplify right side
    11,702,992.35x = 124,774,416,739,855.77
  5. Step 5: Solve for x
    x = 124,774,416,739,855.77/11,702,992.35
  6. Step 6: Final answer
    x = 10,661,753.25

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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.