Home / 21,585,919.91-29,788,647.27-11,796,365.25

Finding the Fourth Proportional to 21,585,919.91, 29,788,647.27 and 11,796,365.25

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Solution

The fourth proportional to 21,585,919.91, 29,788,647.27 and 11,796,365.25 is: 16,279,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585,919.91 : 29,788,647.27 = 11,796,365.25 : x
  2. Step 2: Convert to fraction form
    21,585,919.91/29,788,647.27 = 11,796,365.25/x
  3. Step 3: Cross multiply
    21,585,919.91x = 29,788,647.27 × 11,796,365.25
  4. Step 4: Simplify right side
    21,585,919.91x = 351,397,763,500,335.38
  5. Step 5: Solve for x
    x = 351,397,763,500,335.38/21,585,919.91
  6. Step 6: Final answer
    x = 16,279,026.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.