Home / 20,015,836.68-30,012,963.39-10,798,749.48

Finding the Fourth Proportional to 20,015,836.68, 30,012,963.39 and 10,798,749.48

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Solution

The fourth proportional to 20,015,836.68, 30,012,963.39 and 10,798,749.48 is: 16,192,302.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,836.68 : 30,012,963.39 = 10,798,749.48 : x
  2. Step 2: Convert to fraction form
    20,015,836.68/30,012,963.39 = 10,798,749.48/x
  3. Step 3: Cross multiply
    20,015,836.68x = 30,012,963.39 × 10,798,749.48
  4. Step 4: Simplify right side
    20,015,836.68x = 324,102,472,801,021.56
  5. Step 5: Solve for x
    x = 324,102,472,801,021.56/20,015,836.68
  6. Step 6: Final answer
    x = 16,192,302.02

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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.