Home / 18,601,431.45-27,861,766.27-8,996,668.73

Finding the Fourth Proportional to 18,601,431.45, 27,861,766.27 and 8,996,668.73

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Solution

The fourth proportional to 18,601,431.45, 27,861,766.27 and 8,996,668.73 is: 13,475,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,431.45 : 27,861,766.27 = 8,996,668.73 : x
  2. Step 2: Convert to fraction form
    18,601,431.45/27,861,766.27 = 8,996,668.73/x
  3. Step 3: Cross multiply
    18,601,431.45x = 27,861,766.27 × 8,996,668.73
  4. Step 4: Simplify right side
    18,601,431.45x = 250,663,081,513,887.56
  5. Step 5: Solve for x
    x = 250,663,081,513,887.56/18,601,431.45
  6. Step 6: Final answer
    x = 13,475,472.69

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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.