Home / 18,836,755-28,259,344.50-6,869,491

Finding the Fourth Proportional to 18,836,755, 28,259,344.50 and 6,869,491

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Solution

The fourth proportional to 18,836,755, 28,259,344.50 and 6,869,491 is: 10,305,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836,755 : 28,259,344.50 = 6,869,491 : x
  2. Step 2: Convert to fraction form
    18,836,755/28,259,344.50 = 6,869,491/x
  3. Step 3: Cross multiply
    18,836,755x = 28,259,344.50 × 6,869,491
  4. Step 4: Simplify right side
    18,836,755x = 194,127,312,708,649.50
  5. Step 5: Solve for x
    x = 194,127,312,708,649.50/18,836,755
  6. Step 6: Final answer
    x = 10,305,772.56

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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.