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Finding the Fourth Proportional to 18,097,357.20, 27,146,035.80 and 10,916,998.80

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Solution

The fourth proportional to 18,097,357.20, 27,146,035.80 and 10,916,998.80 is: 16,375,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097,357.20 : 27,146,035.80 = 10,916,998.80 : x
  2. Step 2: Convert to fraction form
    18,097,357.20/27,146,035.80 = 10,916,998.80/x
  3. Step 3: Cross multiply
    18,097,357.20x = 27,146,035.80 × 10,916,998.80
  4. Step 4: Simplify right side
    18,097,357.20x = 296,353,240,253,357.06
  5. Step 5: Solve for x
    x = 296,353,240,253,357.06/18,097,357.20
  6. Step 6: Final answer
    x = 16,375,498.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.