Home / 12,400,759.88-18,561,341.89-6,629,064.58

Finding the Fourth Proportional to 12,400,759.88, 18,561,341.89 and 6,629,064.58

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Solution

The fourth proportional to 12,400,759.88, 18,561,341.89 and 6,629,064.58 is: 9,922,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,759.88 : 18,561,341.89 = 6,629,064.58 : x
  2. Step 2: Convert to fraction form
    12,400,759.88/18,561,341.89 = 6,629,064.58/x
  3. Step 3: Cross multiply
    12,400,759.88x = 18,561,341.89 × 6,629,064.58
  4. Step 4: Simplify right side
    12,400,759.88x = 123,044,334,074,468.78
  5. Step 5: Solve for x
    x = 123,044,334,074,468.78/12,400,759.88
  6. Step 6: Final answer
    x = 9,922,322.12

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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.