Home / 18,424,982.75-27,636,477.21-5,645,524.46

Finding the Fourth Proportional to 18,424,982.75, 27,636,477.21 and 5,645,524.46

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Solution

The fourth proportional to 18,424,982.75, 27,636,477.21 and 5,645,524.46 is: 8,467,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,982.75 : 27,636,477.21 = 5,645,524.46 : x
  2. Step 2: Convert to fraction form
    18,424,982.75/27,636,477.21 = 5,645,524.46/x
  3. Step 3: Cross multiply
    18,424,982.75x = 27,636,477.21 × 5,645,524.46
  4. Step 4: Simplify right side
    18,424,982.75x = 156,022,407,939,105.19
  5. Step 5: Solve for x
    x = 156,022,407,939,105.19/18,424,982.75
  6. Step 6: Final answer
    x = 8,467,981.22

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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.