Home / 40,027,231.50-55,237,776.30-21,692,517

Finding the Fourth Proportional to 40,027,231.50, 55,237,776.30 and 21,692,517

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Solution

The fourth proportional to 40,027,231.50, 55,237,776.30 and 21,692,517 is: 29,935,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027,231.50 : 55,237,776.30 = 21,692,517 : x
  2. Step 2: Convert to fraction form
    40,027,231.50/55,237,776.30 = 21,692,517/x
  3. Step 3: Cross multiply
    40,027,231.50x = 55,237,776.30 × 21,692,517
  4. Step 4: Simplify right side
    40,027,231.50x = 1,198,246,401,429,947
  5. Step 5: Solve for x
    x = 1,198,246,401,429,947/40,027,231.50
  6. Step 6: Final answer
    x = 29,935,780.13

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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.