Home / 20,086,996.75-27,720,252.35-10,919,836.33

Finding the Fourth Proportional to 20,086,996.75, 27,720,252.35 and 10,919,836.33

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Solution

The fourth proportional to 20,086,996.75, 27,720,252.35 and 10,919,836.33 is: 15,069,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086,996.75 : 27,720,252.35 = 10,919,836.33 : x
  2. Step 2: Convert to fraction form
    20,086,996.75/27,720,252.35 = 10,919,836.33/x
  3. Step 3: Cross multiply
    20,086,996.75x = 27,720,252.35 × 10,919,836.33
  4. Step 4: Simplify right side
    20,086,996.75x = 302,700,618,688,297.88
  5. Step 5: Solve for x
    x = 302,700,618,688,297.88/20,086,996.75
  6. Step 6: Final answer
    x = 15,069,481.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.