Home / 21,469,648.05-29,627,439.26-11,679,841.44

Finding the Fourth Proportional to 21,469,648.05, 29,627,439.26 and 11,679,841.44

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Solution

The fourth proportional to 21,469,648.05, 29,627,439.26 and 11,679,841.44 is: 16,117,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469,648.05 : 29,627,439.26 = 11,679,841.44 : x
  2. Step 2: Convert to fraction form
    21,469,648.05/29,627,439.26 = 11,679,841.44/x
  3. Step 3: Cross multiply
    21,469,648.05x = 29,627,439.26 × 11,679,841.44
  4. Step 4: Simplify right side
    21,469,648.05x = 346,043,792,771,631.69
  5. Step 5: Solve for x
    x = 346,043,792,771,631.69/21,469,648.05
  6. Step 6: Final answer
    x = 16,117,813.95

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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.