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Finding the Fourth Proportional to 18,104,551.38, 24,978,166.77 and 10,263,222.90

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Solution

The fourth proportional to 18,104,551.38, 24,978,166.77 and 10,263,222.90 is: 14,159,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,551.38 : 24,978,166.77 = 10,263,222.90 : x
  2. Step 2: Convert to fraction form
    18,104,551.38/24,978,166.77 = 10,263,222.90/x
  3. Step 3: Cross multiply
    18,104,551.38x = 24,978,166.77 × 10,263,222.90
  4. Step 4: Simplify right side
    18,104,551.38x = 256,356,493,193,883.03
  5. Step 5: Solve for x
    x = 256,356,493,193,883.03/18,104,551.38
  6. Step 6: Final answer
    x = 14,159,781.58

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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.