Home / 18,147,580.80-27,221,371.20-8,069,884.80

Finding the Fourth Proportional to 18,147,580.80, 27,221,371.20 and 8,069,884.80

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Solution

The fourth proportional to 18,147,580.80, 27,221,371.20 and 8,069,884.80 is: 12,104,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,580.80 : 27,221,371.20 = 8,069,884.80 : x
  2. Step 2: Convert to fraction form
    18,147,580.80/27,221,371.20 = 8,069,884.80/x
  3. Step 3: Cross multiply
    18,147,580.80x = 27,221,371.20 × 8,069,884.80
  4. Step 4: Simplify right side
    18,147,580.80x = 219,673,329,682,037.75
  5. Step 5: Solve for x
    x = 219,673,329,682,037.75/18,147,580.80
  6. Step 6: Final answer
    x = 12,104,827.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.