Home / 18,823,760.82-28,236,938.36-7,882,934.63

Finding the Fourth Proportional to 18,823,760.82, 28,236,938.36 and 7,882,934.63

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Solution

The fourth proportional to 18,823,760.82, 28,236,938.36 and 7,882,934.63 is: 11,824,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823,760.82 : 28,236,938.36 = 7,882,934.63 : x
  2. Step 2: Convert to fraction form
    18,823,760.82/28,236,938.36 = 7,882,934.63/x
  3. Step 3: Cross multiply
    18,823,760.82x = 28,236,938.36 × 7,882,934.63
  4. Step 4: Simplify right side
    18,823,760.82x = 222,589,939,062,620.03
  5. Step 5: Solve for x
    x = 222,589,939,062,620.03/18,823,760.82
  6. Step 6: Final answer
    x = 11,824,945.14

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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.