Home / 40,027,232.50-55,237,777.68-21,692,518

Finding the Fourth Proportional to 40,027,232.50, 55,237,777.68 and 21,692,518

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Solution

The fourth proportional to 40,027,232.50, 55,237,777.68 and 21,692,518 is: 29,935,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027,232.50 : 55,237,777.68 = 21,692,518 : x
  2. Step 2: Convert to fraction form
    40,027,232.50/55,237,777.68 = 21,692,518/x
  3. Step 3: Cross multiply
    40,027,232.50x = 55,237,777.68 × 21,692,518
  4. Step 4: Simplify right side
    40,027,232.50x = 1,198,246,486,603,398.25
  5. Step 5: Solve for x
    x = 1,198,246,486,603,398.25/40,027,232.50
  6. Step 6: Final answer
    x = 29,935,781.51

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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.