Home / 18,618,998.33-27,928,217.23-8,376,625.22

Finding the Fourth Proportional to 18,618,998.33, 27,928,217.23 and 8,376,625.22

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Solution

The fourth proportional to 18,618,998.33, 27,928,217.23 and 8,376,625.22 is: 12,564,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,998.33 : 27,928,217.23 = 8,376,625.22 : x
  2. Step 2: Convert to fraction form
    18,618,998.33/27,928,217.23 = 8,376,625.22/x
  3. Step 3: Cross multiply
    18,618,998.33x = 27,928,217.23 × 8,376,625.22
  4. Step 4: Simplify right side
    18,618,998.33x = 233,944,208,637,873.88
  5. Step 5: Solve for x
    x = 233,944,208,637,873.88/18,618,998.33
  6. Step 6: Final answer
    x = 12,564,811.73

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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.