Home / 28,425,190.92-42,628,238.91-9,251,438.82

Finding the Fourth Proportional to 28,425,190.92, 42,628,238.91 and 9,251,438.82

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Solution

The fourth proportional to 28,425,190.92, 42,628,238.91 and 9,251,438.82 is: 13,874,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,190.92 : 42,628,238.91 = 9,251,438.82 : x
  2. Step 2: Convert to fraction form
    28,425,190.92/42,628,238.91 = 9,251,438.82/x
  3. Step 3: Cross multiply
    28,425,190.92x = 42,628,238.91 × 9,251,438.82
  4. Step 4: Simplify right side
    28,425,190.92x = 394,372,544,280,208.44
  5. Step 5: Solve for x
    x = 394,372,544,280,208.44/28,425,190.92
  6. Step 6: Final answer
    x = 13,874,050.85

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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.