Home / 21,447,381.82-29,597,597.22-11,657,819.97

Finding the Fourth Proportional to 21,447,381.82, 29,597,597.22 and 11,657,819.97

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Solution

The fourth proportional to 21,447,381.82, 29,597,597.22 and 11,657,819.97 is: 16,087,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,381.82 : 29,597,597.22 = 11,657,819.97 : x
  2. Step 2: Convert to fraction form
    21,447,381.82/29,597,597.22 = 11,657,819.97/x
  3. Step 3: Cross multiply
    21,447,381.82x = 29,597,597.22 × 11,657,819.97
  4. Step 4: Simplify right side
    21,447,381.82x = 345,043,459,787,344.50
  5. Step 5: Solve for x
    x = 345,043,459,787,344.50/21,447,381.82
  6. Step 6: Final answer
    x = 16,087,905.87

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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.