Home / 15,863,638.68-21,892,144.86-8,620,761.24

Finding the Fourth Proportional to 15,863,638.68, 21,892,144.86 and 8,620,761.24

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Solution

The fourth proportional to 15,863,638.68, 21,892,144.86 and 8,620,761.24 is: 11,896,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,638.68 : 21,892,144.86 = 8,620,761.24 : x
  2. Step 2: Convert to fraction form
    15,863,638.68/21,892,144.86 = 8,620,761.24/x
  3. Step 3: Cross multiply
    15,863,638.68x = 21,892,144.86 × 8,620,761.24
  4. Step 4: Simplify right side
    15,863,638.68x = 188,726,953,869,553.22
  5. Step 5: Solve for x
    x = 188,726,953,869,553.22/15,863,638.68
  6. Step 6: Final answer
    x = 11,896,826.30

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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.