Home / 13,395,979.20-18,486,240.48-7,284,354.24

Finding the Fourth Proportional to 13,395,979.20, 18,486,240.48 and 7,284,354.24

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Solution

The fourth proportional to 13,395,979.20, 18,486,240.48 and 7,284,354.24 is: 10,052,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,979.20 : 18,486,240.48 = 7,284,354.24 : x
  2. Step 2: Convert to fraction form
    13,395,979.20/18,486,240.48 = 7,284,354.24/x
  3. Step 3: Cross multiply
    13,395,979.20x = 18,486,240.48 × 7,284,354.24
  4. Step 4: Simplify right side
    13,395,979.20x = 134,660,324,222,147.64
  5. Step 5: Solve for x
    x = 134,660,324,222,147.64/13,395,979.20
  6. Step 6: Final answer
    x = 10,052,294.22

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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.