Home / 19,858,340.70-27,406,734.48-12,022,172.15

Finding the Fourth Proportional to 19,858,340.70, 27,406,734.48 and 12,022,172.15

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Solution

The fourth proportional to 19,858,340.70, 27,406,734.48 and 12,022,172.15 is: 16,591,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858,340.70 : 27,406,734.48 = 12,022,172.15 : x
  2. Step 2: Convert to fraction form
    19,858,340.70/27,406,734.48 = 12,022,172.15/x
  3. Step 3: Cross multiply
    19,858,340.70x = 27,406,734.48 × 12,022,172.15
  4. Step 4: Simplify right side
    19,858,340.70x = 329,488,479,850,867.06
  5. Step 5: Solve for x
    x = 329,488,479,850,867.06/19,858,340.70
  6. Step 6: Final answer
    x = 16,591,944.15

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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.