Home / 20,757,847.38-28,645,658.34-11,338,646.15

Finding the Fourth Proportional to 20,757,847.38, 28,645,658.34 and 11,338,646.15

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Solution

The fourth proportional to 20,757,847.38, 28,645,658.34 and 11,338,646.15 is: 15,647,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,847.38 : 28,645,658.34 = 11,338,646.15 : x
  2. Step 2: Convert to fraction form
    20,757,847.38/28,645,658.34 = 11,338,646.15/x
  3. Step 3: Cross multiply
    20,757,847.38x = 28,645,658.34 × 11,338,646.15
  4. Step 4: Simplify right side
    20,757,847.38x = 324,802,983,507,828.06
  5. Step 5: Solve for x
    x = 324,802,983,507,828.06/20,757,847.38
  6. Step 6: Final answer
    x = 15,647,238.25

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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.