Home / 20,979,174.15-31,473,032.94-8,848,682.73

Finding the Fourth Proportional to 20,979,174.15, 31,473,032.94 and 8,848,682.73

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Solution

The fourth proportional to 20,979,174.15, 31,473,032.94 and 8,848,682.73 is: 13,274,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,174.15 : 31,473,032.94 = 8,848,682.73 : x
  2. Step 2: Convert to fraction form
    20,979,174.15/31,473,032.94 = 8,848,682.73/x
  3. Step 3: Cross multiply
    20,979,174.15x = 31,473,032.94 × 8,848,682.73
  4. Step 4: Simplify right side
    20,979,174.15x = 278,494,883,036,899.16
  5. Step 5: Solve for x
    x = 278,494,883,036,899.16/20,979,174.15
  6. Step 6: Final answer
    x = 13,274,825.84

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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.