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Finding the Fourth Proportional to 14,986,843.14, 20,682,345.04 and 9,184,504.33

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Solution

The fourth proportional to 14,986,843.14, 20,682,345.04 and 9,184,504.33 is: 12,674,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986,843.14 : 20,682,345.04 = 9,184,504.33 : x
  2. Step 2: Convert to fraction form
    14,986,843.14/20,682,345.04 = 9,184,504.33/x
  3. Step 3: Cross multiply
    14,986,843.14x = 20,682,345.04 × 9,184,504.33
  4. Step 4: Simplify right side
    14,986,843.14x = 189,957,087,584,511.84
  5. Step 5: Solve for x
    x = 189,957,087,584,511.84/14,986,843.14
  6. Step 6: Final answer
    x = 12,674,923.31

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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.