Home / 13,619,650.08-18,794,993.72-7,508,078.58

Finding the Fourth Proportional to 13,619,650.08, 18,794,993.72 and 7,508,078.58

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Solution

The fourth proportional to 13,619,650.08, 18,794,993.72 and 7,508,078.58 is: 10,361,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,650.08 : 18,794,993.72 = 7,508,078.58 : x
  2. Step 2: Convert to fraction form
    13,619,650.08/18,794,993.72 = 7,508,078.58/x
  3. Step 3: Cross multiply
    13,619,650.08x = 18,794,993.72 × 7,508,078.58
  4. Step 4: Simplify right side
    13,619,650.08x = 141,114,289,760,366.50
  5. Step 5: Solve for x
    x = 141,114,289,760,366.50/13,619,650.08
  6. Step 6: Final answer
    x = 10,361,080.42

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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.