Home / 19,917,793.70-29,876,690.55-19,728,836.90

Finding the Fourth Proportional to 19,917,793.70, 29,876,690.55 and 19,728,836.90

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Solution

The fourth proportional to 19,917,793.70, 29,876,690.55 and 19,728,836.90 is: 29,593,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917,793.70 : 29,876,690.55 = 19,728,836.90 : x
  2. Step 2: Convert to fraction form
    19,917,793.70/29,876,690.55 = 19,728,836.90/x
  3. Step 3: Cross multiply
    19,917,793.70x = 29,876,690.55 × 19,728,836.90
  4. Step 4: Simplify right side
    19,917,793.70x = 589,432,354,972,721.25
  5. Step 5: Solve for x
    x = 589,432,354,972,721.25/19,917,793.70
  6. Step 6: Final answer
    x = 29,593,255.35

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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.