Home / 21,469,650.55-29,627,442.70-11,679,843.94

Finding the Fourth Proportional to 21,469,650.55, 29,627,442.70 and 11,679,843.94

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Solution

The fourth proportional to 21,469,650.55, 29,627,442.70 and 11,679,843.94 is: 16,117,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469,650.55 : 29,627,442.70 = 11,679,843.94 : x
  2. Step 2: Convert to fraction form
    21,469,650.55/29,627,442.70 = 11,679,843.94/x
  3. Step 3: Cross multiply
    21,469,650.55x = 29,627,442.70 × 11,679,843.94
  4. Step 4: Simplify right side
    21,469,650.55x = 346,043,907,077,292.19
  5. Step 5: Solve for x
    x = 346,043,907,077,292.19/21,469,650.55
  6. Step 6: Final answer
    x = 16,117,817.39

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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.