Home / 13,315,427.28-18,375,295.77-7,354,846.26

Finding the Fourth Proportional to 13,315,427.28, 18,375,295.77 and 7,354,846.26

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Solution

The fourth proportional to 13,315,427.28, 18,375,295.77 and 7,354,846.26 is: 10,149,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,427.28 : 18,375,295.77 = 7,354,846.26 : x
  2. Step 2: Convert to fraction form
    13,315,427.28/18,375,295.77 = 7,354,846.26/x
  3. Step 3: Cross multiply
    13,315,427.28x = 18,375,295.77 × 7,354,846.26
  4. Step 4: Simplify right side
    13,315,427.28x = 135,147,475,370,378.31
  5. Step 5: Solve for x
    x = 135,147,475,370,378.31/13,315,427.28
  6. Step 6: Final answer
    x = 10,149,691.22

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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.