Home / 13,588,198.88-18,745,535.57-8,078,447.42

Finding the Fourth Proportional to 13,588,198.88, 18,745,535.57 and 8,078,447.42

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Solution

The fourth proportional to 13,588,198.88, 18,745,535.57 and 8,078,447.42 is: 11,144,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,198.88 : 18,745,535.57 = 8,078,447.42 : x
  2. Step 2: Convert to fraction form
    13,588,198.88/18,745,535.57 = 8,078,447.42/x
  3. Step 3: Cross multiply
    13,588,198.88x = 18,745,535.57 × 8,078,447.42
  4. Step 4: Simplify right side
    13,588,198.88x = 151,434,823,398,160.59
  5. Step 5: Solve for x
    x = 151,434,823,398,160.59/13,588,198.88
  6. Step 6: Final answer
    x = 11,144,583.97

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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.