Home / 27,921,991.20-41,882,986.80-18,852,064.80

Finding the Fourth Proportional to 27,921,991.20, 41,882,986.80 and 18,852,064.80

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Solution

The fourth proportional to 27,921,991.20, 41,882,986.80 and 18,852,064.80 is: 28,278,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921,991.20 : 41,882,986.80 = 18,852,064.80 : x
  2. Step 2: Convert to fraction form
    27,921,991.20/41,882,986.80 = 18,852,064.80/x
  3. Step 3: Cross multiply
    27,921,991.20x = 41,882,986.80 × 18,852,064.80
  4. Step 4: Simplify right side
    27,921,991.20x = 789,580,781,171,144.62
  5. Step 5: Solve for x
    x = 789,580,781,171,144.62/27,921,991.20
  6. Step 6: Final answer
    x = 28,278,097.20

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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.