Home / 28,277,896.82-42,377,305.44-15,296,022.86

Finding the Fourth Proportional to 28,277,896.82, 42,377,305.44 and 15,296,022.86

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Solution

The fourth proportional to 28,277,896.82, 42,377,305.44 and 15,296,022.86 is: 22,922,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277,896.82 : 42,377,305.44 = 15,296,022.86 : x
  2. Step 2: Convert to fraction form
    28,277,896.82/42,377,305.44 = 15,296,022.86/x
  3. Step 3: Cross multiply
    28,277,896.82x = 42,377,305.44 × 15,296,022.86
  4. Step 4: Simplify right side
    28,277,896.82x = 648,204,232,755,442.25
  5. Step 5: Solve for x
    x = 648,204,232,755,442.25/28,277,896.82
  6. Step 6: Final answer
    x = 22,922,646.51

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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.