Home / 27,921,996.20-41,882,994.30-18,852,069.80

Finding the Fourth Proportional to 27,921,996.20, 41,882,994.30 and 18,852,069.80

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Solution

The fourth proportional to 27,921,996.20, 41,882,994.30 and 18,852,069.80 is: 28,278,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921,996.20 : 41,882,994.30 = 18,852,069.80 : x
  2. Step 2: Convert to fraction form
    27,921,996.20/41,882,994.30 = 18,852,069.80/x
  3. Step 3: Cross multiply
    27,921,996.20x = 41,882,994.30 × 18,852,069.80
  4. Step 4: Simplify right side
    27,921,996.20x = 789,581,131,976,602.12
  5. Step 5: Solve for x
    x = 789,581,131,976,602.12/27,921,996.20
  6. Step 6: Final answer
    x = 28,278,104.70

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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.