Home / 15,863,638.37-21,892,144.44-8,620,760.93

Finding the Fourth Proportional to 15,863,638.37, 21,892,144.44 and 8,620,760.93

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Solution

The fourth proportional to 15,863,638.37, 21,892,144.44 and 8,620,760.93 is: 11,896,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,638.37 : 21,892,144.44 = 8,620,760.93 : x
  2. Step 2: Convert to fraction form
    15,863,638.37/21,892,144.44 = 8,620,760.93/x
  3. Step 3: Cross multiply
    15,863,638.37x = 21,892,144.44 × 8,620,760.93
  4. Step 4: Simplify right side
    15,863,638.37x = 188,726,943,407,538.38
  5. Step 5: Solve for x
    x = 188,726,943,407,538.38/15,863,638.37
  6. Step 6: Final answer
    x = 11,896,825.88

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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.