Home / 26,781,016.95-36,958,208.34-15,022,891.76

Finding the Fourth Proportional to 26,781,016.95, 36,958,208.34 and 15,022,891.76

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Solution

The fourth proportional to 26,781,016.95, 36,958,208.34 and 15,022,891.76 is: 20,731,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781,016.95 : 36,958,208.34 = 15,022,891.76 : x
  2. Step 2: Convert to fraction form
    26,781,016.95/36,958,208.34 = 15,022,891.76/x
  3. Step 3: Cross multiply
    26,781,016.95x = 36,958,208.34 × 15,022,891.76
  4. Step 4: Simplify right side
    26,781,016.95x = 555,219,163,489,151.56
  5. Step 5: Solve for x
    x = 555,219,163,489,151.56/26,781,016.95
  6. Step 6: Final answer
    x = 20,731,817.78

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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.