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Finding the Fourth Proportional to 16,057,906.54, 22,159,855.72 and 8,715,739.30

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Solution

The fourth proportional to 16,057,906.54, 22,159,855.72 and 8,715,739.30 is: 12,027,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,057,906.54 : 22,159,855.72 = 8,715,739.30 : x
  2. Step 2: Convert to fraction form
    16,057,906.54/22,159,855.72 = 8,715,739.30/x
  3. Step 3: Cross multiply
    16,057,906.54x = 22,159,855.72 × 8,715,739.30
  4. Step 4: Simplify right side
    16,057,906.54x = 193,139,525,381,133.81
  5. Step 5: Solve for x
    x = 193,139,525,381,133.81/16,057,906.54
  6. Step 6: Final answer
    x = 12,027,690.22

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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.