Home / 18,836,753-28,259,341.50-6,869,489

Finding the Fourth Proportional to 18,836,753, 28,259,341.50 and 6,869,489

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Solution

The fourth proportional to 18,836,753, 28,259,341.50 and 6,869,489 is: 10,305,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836,753 : 28,259,341.50 = 6,869,489 : x
  2. Step 2: Convert to fraction form
    18,836,753/28,259,341.50 = 6,869,489/x
  3. Step 3: Cross multiply
    18,836,753x = 28,259,341.50 × 6,869,489
  4. Step 4: Simplify right side
    18,836,753x = 194,127,235,581,493.50
  5. Step 5: Solve for x
    x = 194,127,235,581,493.50/18,836,753
  6. Step 6: Final answer
    x = 10,305,769.55

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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.