Home / 15,788,993.51-23,659,078.41-12,322,513.91

Finding the Fourth Proportional to 15,788,993.51, 23,659,078.41 and 12,322,513.91

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Solution

The fourth proportional to 15,788,993.51, 23,659,078.41 and 12,322,513.91 is: 18,464,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,993.51 : 23,659,078.41 = 12,322,513.91 : x
  2. Step 2: Convert to fraction form
    15,788,993.51/23,659,078.41 = 12,322,513.91/x
  3. Step 3: Cross multiply
    15,788,993.51x = 23,659,078.41 × 12,322,513.91
  4. Step 4: Simplify right side
    15,788,993.51x = 291,539,322,873,850.94
  5. Step 5: Solve for x
    x = 291,539,322,873,850.94/15,788,993.51
  6. Step 6: Final answer
    x = 18,464,718.65

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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.