Home / 21,244,515,589.32-29,320,002,324.32-12,091,269,907.92

Finding the Fourth Proportional to 21,244,515,589.32, 29,320,002,324.32 and 12,091,269,907.92

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Solution

The fourth proportional to 21,244,515,589.32, 29,320,002,324.32 and 12,091,269,907.92 is: 16,687,415,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,515,589.32 : 29,320,002,324.32 = 12,091,269,907.92 : x
  2. Step 2: Convert to fraction form
    21,244,515,589.32/29,320,002,324.32 = 12,091,269,907.92/x
  3. Step 3: Cross multiply
    21,244,515,589.32x = 29,320,002,324.32 × 12,091,269,907.92
  4. Step 4: Simplify right side
    21,244,515,589.32x = 354,516,061,804,194,889,728
  5. Step 5: Solve for x
    x = 354,516,061,804,194,889,728/21,244,515,589.32
  6. Step 6: Final answer
    x = 16,687,415,644.46

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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.