Home / 21,469,650.30-29,627,442.36-11,679,843.69

Finding the Fourth Proportional to 21,469,650.30, 29,627,442.36 and 11,679,843.69

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Solution

The fourth proportional to 21,469,650.30, 29,627,442.36 and 11,679,843.69 is: 16,117,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469,650.30 : 29,627,442.36 = 11,679,843.69 : x
  2. Step 2: Convert to fraction form
    21,469,650.30/29,627,442.36 = 11,679,843.69/x
  3. Step 3: Cross multiply
    21,469,650.30x = 29,627,442.36 × 11,679,843.69
  4. Step 4: Simplify right side
    21,469,650.30x = 346,043,895,699,284.69
  5. Step 5: Solve for x
    x = 346,043,895,699,284.69/21,469,650.30
  6. Step 6: Final answer
    x = 16,117,817.05

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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.