Home / 13,134,945-18,126,052.42-7,333,825.48

Finding the Fourth Proportional to 13,134,945, 18,126,052.42 and 7,333,825.48

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Solution

The fourth proportional to 13,134,945, 18,126,052.42 and 7,333,825.48 is: 10,120,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,945 : 18,126,052.42 = 7,333,825.48 : x
  2. Step 2: Convert to fraction form
    13,134,945/18,126,052.42 = 7,333,825.48/x
  3. Step 3: Cross multiply
    13,134,945x = 18,126,052.42 × 7,333,825.48
  4. Step 4: Simplify right side
    13,134,945x = 132,933,305,089,611.69
  5. Step 5: Solve for x
    x = 132,933,305,089,611.69/13,134,945
  6. Step 6: Final answer
    x = 10,120,583.31

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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.