Home / 18,876,344.22-26,048,604.78-11,143,877.40

Finding the Fourth Proportional to 18,876,344.22, 26,048,604.78 and 11,143,877.40

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Solution

The fourth proportional to 18,876,344.22, 26,048,604.78 and 11,143,877.40 is: 15,378,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,344.22 : 26,048,604.78 = 11,143,877.40 : x
  2. Step 2: Convert to fraction form
    18,876,344.22/26,048,604.78 = 11,143,877.40/x
  3. Step 3: Cross multiply
    18,876,344.22x = 26,048,604.78 × 11,143,877.40
  4. Step 4: Simplify right side
    18,876,344.22x = 290,282,458,109,374
  5. Step 5: Solve for x
    x = 290,282,458,109,374/18,876,344.22
  6. Step 6: Final answer
    x = 15,378,107.90

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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.