Home / 19,649,859-29,442,203.22-11,950,214.52

Finding the Fourth Proportional to 19,649,859, 29,442,203.22 and 11,950,214.52

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Solution

The fourth proportional to 19,649,859, 29,442,203.22 and 11,950,214.52 is: 17,905,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649,859 : 29,442,203.22 = 11,950,214.52 : x
  2. Step 2: Convert to fraction form
    19,649,859/29,442,203.22 = 11,950,214.52/x
  3. Step 3: Cross multiply
    19,649,859x = 29,442,203.22 × 11,950,214.52
  4. Step 4: Simplify right side
    19,649,859x = 351,840,644,420,434.75
  5. Step 5: Solve for x
    x = 351,840,644,420,434.75/19,649,859
  6. Step 6: Final answer
    x = 17,905,504.79

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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.