Home / 21,110,570.92-29,135,331.96-11,821,677.76

Finding the Fourth Proportional to 21,110,570.92, 29,135,331.96 and 11,821,677.76

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Solution

The fourth proportional to 21,110,570.92, 29,135,331.96 and 11,821,677.76 is: 16,315,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,570.92 : 29,135,331.96 = 11,821,677.76 : x
  2. Step 2: Convert to fraction form
    21,110,570.92/29,135,331.96 = 11,821,677.76/x
  3. Step 3: Cross multiply
    21,110,570.92x = 29,135,331.96 × 11,821,677.76
  4. Step 4: Simplify right side
    21,110,570.92x = 344,428,505,861,749.19
  5. Step 5: Solve for x
    x = 344,428,505,861,749.19/21,110,570.92
  6. Step 6: Final answer
    x = 16,315,451.97

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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.