Home / 21,856,718.22-30,162,313.62-12,067,181.34

Finding the Fourth Proportional to 21,856,718.22, 30,162,313.62 and 12,067,181.34

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Solution

The fourth proportional to 21,856,718.22, 30,162,313.62 and 12,067,181.34 is: 16,652,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,718.22 : 30,162,313.62 = 12,067,181.34 : x
  2. Step 2: Convert to fraction form
    21,856,718.22/30,162,313.62 = 12,067,181.34/x
  3. Step 3: Cross multiply
    21,856,718.22x = 30,162,313.62 × 12,067,181.34
  4. Step 4: Simplify right side
    21,856,718.22x = 363,974,108,086,491.88
  5. Step 5: Solve for x
    x = 363,974,108,086,491.88/21,856,718.22
  6. Step 6: Final answer
    x = 16,652,733.70

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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.