Home / 19,976,734.82-27,572,500.86-11,719,449.78

Finding the Fourth Proportional to 19,976,734.82, 27,572,500.86 and 11,719,449.78

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Solution

The fourth proportional to 19,976,734.82, 27,572,500.86 and 11,719,449.78 is: 16,175,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976,734.82 : 27,572,500.86 = 11,719,449.78 : x
  2. Step 2: Convert to fraction form
    19,976,734.82/27,572,500.86 = 11,719,449.78/x
  3. Step 3: Cross multiply
    19,976,734.82x = 27,572,500.86 × 11,719,449.78
  4. Step 4: Simplify right side
    19,976,734.82x = 323,134,538,990,431.94
  5. Step 5: Solve for x
    x = 323,134,538,990,431.94/19,976,734.82
  6. Step 6: Final answer
    x = 16,175,543.29

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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.