Home / 21,100,745.30-31,646,689.22-5,951,133.86

Finding the Fourth Proportional to 21,100,745.30, 31,646,689.22 and 5,951,133.86

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Solution

The fourth proportional to 21,100,745.30, 31,646,689.22 and 5,951,133.86 is: 8,925,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,745.30 : 31,646,689.22 = 5,951,133.86 : x
  2. Step 2: Convert to fraction form
    21,100,745.30/31,646,689.22 = 5,951,133.86/x
  3. Step 3: Cross multiply
    21,100,745.30x = 31,646,689.22 × 5,951,133.86
  4. Step 4: Simplify right side
    21,100,745.30x = 188,333,683,901,900.66
  5. Step 5: Solve for x
    x = 188,333,683,901,900.66/21,100,745.30
  6. Step 6: Final answer
    x = 8,925,451.74

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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.