Home / 19,649,860-29,442,204.72-11,950,215.52

Finding the Fourth Proportional to 19,649,860, 29,442,204.72 and 11,950,215.52

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Solution

The fourth proportional to 19,649,860, 29,442,204.72 and 11,950,215.52 is: 17,905,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649,860 : 29,442,204.72 = 11,950,215.52 : x
  2. Step 2: Convert to fraction form
    19,649,860/29,442,204.72 = 11,950,215.52/x
  3. Step 3: Cross multiply
    19,649,860x = 29,442,204.72 × 11,950,215.52
  4. Step 4: Simplify right side
    19,649,860x = 351,840,691,787,961.25
  5. Step 5: Solve for x
    x = 351,840,691,787,961.25/19,649,860
  6. Step 6: Final answer
    x = 17,905,506.29

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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.