Home / 18,440,274.90-25,450,910.43-10,998,414.18

Finding the Fourth Proportional to 18,440,274.90, 25,450,910.43 and 10,998,414.18

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Solution

The fourth proportional to 18,440,274.90, 25,450,910.43 and 10,998,414.18 is: 15,179,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,274.90 : 25,450,910.43 = 10,998,414.18 : x
  2. Step 2: Convert to fraction form
    18,440,274.90/25,450,910.43 = 10,998,414.18/x
  3. Step 3: Cross multiply
    18,440,274.90x = 25,450,910.43 × 10,998,414.18
  4. Step 4: Simplify right side
    18,440,274.90x = 279,919,654,167,221.88
  5. Step 5: Solve for x
    x = 279,919,654,167,221.88/18,440,274.90
  6. Step 6: Final answer
    x = 15,179,798.33

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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.