Home / 28,471,293.55-39,290,179.73-15,418,249.66

Finding the Fourth Proportional to 28,471,293.55, 39,290,179.73 and 15,418,249.66

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Solution

The fourth proportional to 28,471,293.55, 39,290,179.73 and 15,418,249.66 is: 21,277,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,293.55 : 39,290,179.73 = 15,418,249.66 : x
  2. Step 2: Convert to fraction form
    28,471,293.55/39,290,179.73 = 15,418,249.66/x
  3. Step 3: Cross multiply
    28,471,293.55x = 39,290,179.73 × 15,418,249.66
  4. Step 4: Simplify right side
    28,471,293.55x = 605,785,800,203,731.62
  5. Step 5: Solve for x
    x = 605,785,800,203,731.62/28,471,293.55
  6. Step 6: Final answer
    x = 21,277,073.32

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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.