Home / 28,425,311.92-42,628,420.32-9,251,559.82

Finding the Fourth Proportional to 28,425,311.92, 42,628,420.32 and 9,251,559.82

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Solution

The fourth proportional to 28,425,311.92, 42,628,420.32 and 9,251,559.82 is: 13,874,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,311.92 : 42,628,420.32 = 9,251,559.82 : x
  2. Step 2: Convert to fraction form
    28,425,311.92/42,628,420.32 = 9,251,559.82/x
  3. Step 3: Cross multiply
    28,425,311.92x = 42,628,420.32 × 9,251,559.82
  4. Step 4: Simplify right side
    28,425,311.92x = 394,379,380,622,583.56
  5. Step 5: Solve for x
    x = 394,379,380,622,583.56/28,425,311.92
  6. Step 6: Final answer
    x = 13,874,232.29

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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.