Home / 18,836,731-28,259,308.50-6,869,467

Finding the Fourth Proportional to 18,836,731, 28,259,308.50 and 6,869,467

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Solution

The fourth proportional to 18,836,731, 28,259,308.50 and 6,869,467 is: 10,305,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836,731 : 28,259,308.50 = 6,869,467 : x
  2. Step 2: Convert to fraction form
    18,836,731/28,259,308.50 = 6,869,467/x
  3. Step 3: Cross multiply
    18,836,731x = 28,259,308.50 × 6,869,467
  4. Step 4: Simplify right side
    18,836,731x = 194,126,387,183,569.50
  5. Step 5: Solve for x
    x = 194,126,387,183,569.50/18,836,731
  6. Step 6: Final answer
    x = 10,305,736.55

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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.