Home / 19,917,794.20-29,876,691.30-19,728,837.40

Finding the Fourth Proportional to 19,917,794.20, 29,876,691.30 and 19,728,837.40

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Solution

The fourth proportional to 19,917,794.20, 29,876,691.30 and 19,728,837.40 is: 29,593,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917,794.20 : 29,876,691.30 = 19,728,837.40 : x
  2. Step 2: Convert to fraction form
    19,917,794.20/29,876,691.30 = 19,728,837.40/x
  3. Step 3: Cross multiply
    19,917,794.20x = 29,876,691.30 × 19,728,837.40
  4. Step 4: Simplify right side
    19,917,794.20x = 589,432,384,707,694.62
  5. Step 5: Solve for x
    x = 589,432,384,707,694.62/19,917,794.20
  6. Step 6: Final answer
    x = 29,593,256.10

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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.