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Finding the Fourth Proportional to 14,622,073.19, 20,178,768.87 and 8,006,939.48

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Solution

The fourth proportional to 14,622,073.19, 20,178,768.87 and 8,006,939.48 is: 11,049,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,073.19 : 20,178,768.87 = 8,006,939.48 : x
  2. Step 2: Convert to fraction form
    14,622,073.19/20,178,768.87 = 8,006,939.48/x
  3. Step 3: Cross multiply
    14,622,073.19x = 20,178,768.87 × 8,006,939.48
  4. Step 4: Simplify right side
    14,622,073.19x = 161,570,181,022,104.16
  5. Step 5: Solve for x
    x = 161,570,181,022,104.16/14,622,073.19
  6. Step 6: Final answer
    x = 11,049,745.06

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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.