Home / 15,863,635.68-21,892,140.72-8,620,758.24

Finding the Fourth Proportional to 15,863,635.68, 21,892,140.72 and 8,620,758.24

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Solution

The fourth proportional to 15,863,635.68, 21,892,140.72 and 8,620,758.24 is: 11,896,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,635.68 : 21,892,140.72 = 8,620,758.24 : x
  2. Step 2: Convert to fraction form
    15,863,635.68/21,892,140.72 = 8,620,758.24/x
  3. Step 3: Cross multiply
    15,863,635.68x = 21,892,140.72 × 8,620,758.24
  4. Step 4: Simplify right side
    15,863,635.68x = 188,726,852,503,179.53
  5. Step 5: Solve for x
    x = 188,726,852,503,179.53/15,863,635.68
  6. Step 6: Final answer
    x = 11,896,822.16

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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.