Home / 12,400,762.97-18,561,346.53-6,629,067.68

Finding the Fourth Proportional to 12,400,762.97, 18,561,346.53 and 6,629,067.68

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Solution

The fourth proportional to 12,400,762.97, 18,561,346.53 and 6,629,067.68 is: 9,922,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,762.97 : 18,561,346.53 = 6,629,067.68 : x
  2. Step 2: Convert to fraction form
    12,400,762.97/18,561,346.53 = 6,629,067.68/x
  3. Step 3: Cross multiply
    12,400,762.97x = 18,561,346.53 × 6,629,067.68
  4. Step 4: Simplify right side
    12,400,762.97x = 123,044,422,261,637.42
  5. Step 5: Solve for x
    x = 123,044,422,261,637.42/12,400,762.97
  6. Step 6: Final answer
    x = 9,922,326.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.