Home / 13,295,200-18,348,786.56-7,793,197.82

Finding the Fourth Proportional to 13,295,200, 18,348,786.56 and 7,793,197.82

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Solution

The fourth proportional to 13,295,200, 18,348,786.56 and 7,793,197.82 is: 10,755,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,200 : 18,348,786.56 = 7,793,197.82 : x
  2. Step 2: Convert to fraction form
    13,295,200/18,348,786.56 = 7,793,197.82/x
  3. Step 3: Cross multiply
    13,295,200x = 18,348,786.56 × 7,793,197.82
  4. Step 4: Simplify right side
    13,295,200x = 142,995,723,419,037.28
  5. Step 5: Solve for x
    x = 142,995,723,419,037.28/13,295,200
  6. Step 6: Final answer
    x = 10,755,439.81

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1.5x scale

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.