Home / 21,490,856.10-32,236,284.15-10,729,175.85

Finding the Fourth Proportional to 21,490,856.10, 32,236,284.15 and 10,729,175.85

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Solution

The fourth proportional to 21,490,856.10, 32,236,284.15 and 10,729,175.85 is: 16,093,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490,856.10 : 32,236,284.15 = 10,729,175.85 : x
  2. Step 2: Convert to fraction form
    21,490,856.10/32,236,284.15 = 10,729,175.85/x
  3. Step 3: Cross multiply
    21,490,856.10x = 32,236,284.15 × 10,729,175.85
  4. Step 4: Simplify right side
    21,490,856.10x = 345,868,761,395,917.75
  5. Step 5: Solve for x
    x = 345,868,761,395,917.75/21,490,856.10
  6. Step 6: Final answer
    x = 16,093,763.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.