Home / 20,269,933.27-27,972,162.21-10,977,428.03

Finding the Fourth Proportional to 20,269,933.27, 27,972,162.21 and 10,977,428.03

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Solution

The fourth proportional to 20,269,933.27, 27,972,162.21 and 10,977,428.03 is: 15,148,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,933.27 : 27,972,162.21 = 10,977,428.03 : x
  2. Step 2: Convert to fraction form
    20,269,933.27/27,972,162.21 = 10,977,428.03/x
  3. Step 3: Cross multiply
    20,269,933.27x = 27,972,162.21 × 10,977,428.03
  4. Step 4: Simplify right side
    20,269,933.27x = 307,062,397,503,760.75
  5. Step 5: Solve for x
    x = 307,062,397,503,760.75/20,269,933.27
  6. Step 6: Final answer
    x = 15,148,663.46

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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.