Home / 13,545,212.62-20,320,921.86-5,870,146

Finding the Fourth Proportional to 13,545,212.62, 20,320,921.86 and 5,870,146

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Solution

The fourth proportional to 13,545,212.62, 20,320,921.86 and 5,870,146 is: 8,806,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,212.62 : 20,320,921.86 = 5,870,146 : x
  2. Step 2: Convert to fraction form
    13,545,212.62/20,320,921.86 = 5,870,146/x
  3. Step 3: Cross multiply
    13,545,212.62x = 20,320,921.86 × 5,870,146
  4. Step 4: Simplify right side
    13,545,212.62x = 119,286,778,172,791.56
  5. Step 5: Solve for x
    x = 119,286,778,172,791.56/13,545,212.62
  6. Step 6: Final answer
    x = 8,806,563.73

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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.