Home / 15,322,832.17-21,145,652.84-8,447,560.27

Finding the Fourth Proportional to 15,322,832.17, 21,145,652.84 and 8,447,560.27

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Solution

The fourth proportional to 15,322,832.17, 21,145,652.84 and 8,447,560.27 is: 11,657,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,832.17 : 21,145,652.84 = 8,447,560.27 : x
  2. Step 2: Convert to fraction form
    15,322,832.17/21,145,652.84 = 8,447,560.27/x
  3. Step 3: Cross multiply
    15,322,832.17x = 21,145,652.84 × 8,447,560.27
  4. Step 4: Simplify right side
    15,322,832.17x = 178,629,176,782,651.44
  5. Step 5: Solve for x
    x = 178,629,176,782,651.44/15,322,832.17
  6. Step 6: Final answer
    x = 11,657,712.81

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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.