Home / 13,494,709.92-18,622,968.64-7,383,269.76

Finding the Fourth Proportional to 13,494,709.92, 18,622,968.64 and 7,383,269.76

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Solution

The fourth proportional to 13,494,709.92, 18,622,968.64 and 7,383,269.76 is: 10,189,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,709.92 : 18,622,968.64 = 7,383,269.76 : x
  2. Step 2: Convert to fraction form
    13,494,709.92/18,622,968.64 = 7,383,269.76/x
  3. Step 3: Cross multiply
    13,494,709.92x = 18,622,968.64 × 7,383,269.76
  4. Step 4: Simplify right side
    13,494,709.92x = 137,498,401,201,140.33
  5. Step 5: Solve for x
    x = 137,498,401,201,140.33/13,494,709.92
  6. Step 6: Final answer
    x = 10,189,059.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.