Home / 13,424,471.52-18,525,892.62-8,126,288.15

Finding the Fourth Proportional to 13,424,471.52, 18,525,892.62 and 8,126,288.15

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Solution

The fourth proportional to 13,424,471.52, 18,525,892.62 and 8,126,288.15 is: 11,214,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,471.52 : 18,525,892.62 = 8,126,288.15 : x
  2. Step 2: Convert to fraction form
    13,424,471.52/18,525,892.62 = 8,126,288.15/x
  3. Step 3: Cross multiply
    13,424,471.52x = 18,525,892.62 × 8,126,288.15
  4. Step 4: Simplify right side
    13,424,471.52x = 150,546,741,603,922.56
  5. Step 5: Solve for x
    x = 150,546,741,603,922.56/13,424,471.52
  6. Step 6: Final answer
    x = 11,214,351.45

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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.