Home / 21,961,040.46-30,306,238.75-12,172,115.94

Finding the Fourth Proportional to 21,961,040.46, 30,306,238.75 and 12,172,115.94

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Solution

The fourth proportional to 21,961,040.46, 30,306,238.75 and 12,172,115.94 is: 16,797,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961,040.46 : 30,306,238.75 = 12,172,115.94 : x
  2. Step 2: Convert to fraction form
    21,961,040.46/30,306,238.75 = 12,172,115.94/x
  3. Step 3: Cross multiply
    21,961,040.46x = 30,306,238.75 × 12,172,115.94
  4. Step 4: Simplify right side
    21,961,040.46x = 368,891,051,603,419.25
  5. Step 5: Solve for x
    x = 368,891,051,603,419.25/21,961,040.46
  6. Step 6: Final answer
    x = 16,797,521.61

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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.