Home / 13,540,395.26-18,685,745.47-7,739,301.56

Finding the Fourth Proportional to 13,540,395.26, 18,685,745.47 and 7,739,301.56

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Solution

The fourth proportional to 13,540,395.26, 18,685,745.47 and 7,739,301.56 is: 10,680,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,395.26 : 18,685,745.47 = 7,739,301.56 : x
  2. Step 2: Convert to fraction form
    13,540,395.26/18,685,745.47 = 7,739,301.56/x
  3. Step 3: Cross multiply
    13,540,395.26x = 18,685,745.47 × 7,739,301.56
  4. Step 4: Simplify right side
    13,540,395.26x = 144,614,618,933,608.69
  5. Step 5: Solve for x
    x = 144,614,618,933,608.69/13,540,395.26
  6. Step 6: Final answer
    x = 10,680,236.15

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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.