Home / 28,135,355.26-42,202,245.54-8,967,262.54

Finding the Fourth Proportional to 28,135,355.26, 42,202,245.54 and 8,967,262.54

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Solution

The fourth proportional to 28,135,355.26, 42,202,245.54 and 8,967,262.54 is: 13,450,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,355.26 : 42,202,245.54 = 8,967,262.54 : x
  2. Step 2: Convert to fraction form
    28,135,355.26/42,202,245.54 = 8,967,262.54/x
  3. Step 3: Cross multiply
    28,135,355.26x = 42,202,245.54 × 8,967,262.54
  4. Step 4: Simplify right side
    28,135,355.26x = 378,438,615,534,724
  5. Step 5: Solve for x
    x = 378,438,615,534,724/28,135,355.26
  6. Step 6: Final answer
    x = 13,450,642.87

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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.