Home / 28,978,752.18-43,469,617.23-7,413,540.96

Finding the Fourth Proportional to 28,978,752.18, 43,469,617.23 and 7,413,540.96

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Solution

The fourth proportional to 28,978,752.18, 43,469,617.23 and 7,413,540.96 is: 11,120,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,752.18 : 43,469,617.23 = 7,413,540.96 : x
  2. Step 2: Convert to fraction form
    28,978,752.18/43,469,617.23 = 7,413,540.96/x
  3. Step 3: Cross multiply
    28,978,752.18x = 43,469,617.23 × 7,413,540.96
  4. Step 4: Simplify right side
    28,978,752.18x = 322,263,787,850,126.69
  5. Step 5: Solve for x
    x = 322,263,787,850,126.69/28,978,752.18
  6. Step 6: Final answer
    x = 11,120,692.36

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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.