Home / 28,198,016.69-42,288,414.45-19,500,205.10

Finding the Fourth Proportional to 28,198,016.69, 42,288,414.45 and 19,500,205.10

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Solution

The fourth proportional to 28,198,016.69, 42,288,414.45 and 19,500,205.10 is: 29,244,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,016.69 : 42,288,414.45 = 19,500,205.10 : x
  2. Step 2: Convert to fraction form
    28,198,016.69/42,288,414.45 = 19,500,205.10/x
  3. Step 3: Cross multiply
    28,198,016.69x = 42,288,414.45 × 19,500,205.10
  4. Step 4: Simplify right side
    28,198,016.69x = 824,632,754,917,361.62
  5. Step 5: Solve for x
    x = 824,632,754,917,361.62/28,198,016.69
  6. Step 6: Final answer
    x = 29,244,353.04

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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.