Home / 21,008,535.82-29,015,694.24-14,121,060.46

Finding the Fourth Proportional to 21,008,535.82, 29,015,694.24 and 14,121,060.46

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Solution

The fourth proportional to 21,008,535.82, 29,015,694.24 and 14,121,060.46 is: 19,503,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,535.82 : 29,015,694.24 = 14,121,060.46 : x
  2. Step 2: Convert to fraction form
    21,008,535.82/29,015,694.24 = 14,121,060.46/x
  3. Step 3: Cross multiply
    21,008,535.82x = 29,015,694.24 × 14,121,060.46
  4. Step 4: Simplify right side
    21,008,535.82x = 409,732,372,651,913.75
  5. Step 5: Solve for x
    x = 409,732,372,651,913.75/21,008,535.82
  6. Step 6: Final answer
    x = 19,503,137.97

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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.