Home / 18,424,981.62-27,636,475.52-5,645,523.33

Finding the Fourth Proportional to 18,424,981.62, 27,636,475.52 and 5,645,523.33

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Solution

The fourth proportional to 18,424,981.62, 27,636,475.52 and 5,645,523.33 is: 8,467,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,981.62 : 27,636,475.52 = 5,645,523.33 : x
  2. Step 2: Convert to fraction form
    18,424,981.62/27,636,475.52 = 5,645,523.33/x
  3. Step 3: Cross multiply
    18,424,981.62x = 27,636,475.52 × 5,645,523.33
  4. Step 4: Simplify right side
    18,424,981.62x = 156,022,367,321,247.69
  5. Step 5: Solve for x
    x = 156,022,367,321,247.69/18,424,981.62
  6. Step 6: Final answer
    x = 8,467,979.54

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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.