Home / 20,093,929.14-30,102,862.34-11,871,983.42

Finding the Fourth Proportional to 20,093,929.14, 30,102,862.34 and 11,871,983.42

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Solution

The fourth proportional to 20,093,929.14, 30,102,862.34 and 11,871,983.42 is: 17,785,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,929.14 : 30,102,862.34 = 11,871,983.42 : x
  2. Step 2: Convert to fraction form
    20,093,929.14/30,102,862.34 = 11,871,983.42/x
  3. Step 3: Cross multiply
    20,093,929.14x = 30,102,862.34 × 11,871,983.42
  4. Step 4: Simplify right side
    20,093,929.14x = 357,380,682,595,022.38
  5. Step 5: Solve for x
    x = 357,380,682,595,022.38/20,093,929.14
  6. Step 6: Final answer
    x = 17,785,505.27

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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.