Home / 21,334,906.79-29,442,171.41-11,545,350.98

Finding the Fourth Proportional to 21,334,906.79, 29,442,171.41 and 11,545,350.98

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Solution

The fourth proportional to 21,334,906.79, 29,442,171.41 and 11,545,350.98 is: 15,932,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,906.79 : 29,442,171.41 = 11,545,350.98 : x
  2. Step 2: Convert to fraction form
    21,334,906.79/29,442,171.41 = 11,545,350.98/x
  3. Step 3: Cross multiply
    21,334,906.79x = 29,442,171.41 × 11,545,350.98
  4. Step 4: Simplify right side
    21,334,906.79x = 339,920,202,423,424
  5. Step 5: Solve for x
    x = 339,920,202,423,424/21,334,906.79
  6. Step 6: Final answer
    x = 15,932,584.37

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1.5x scale

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.