Home / 23,116,999.32-31,901,974.55-13,193,682.98

Finding the Fourth Proportional to 23,116,999.32, 31,901,974.55 and 13,193,682.98

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Solution

The fourth proportional to 23,116,999.32, 31,901,974.55 and 13,193,682.98 is: 18,207,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116,999.32 : 31,901,974.55 = 13,193,682.98 : x
  2. Step 2: Convert to fraction form
    23,116,999.32/31,901,974.55 = 13,193,682.98/x
  3. Step 3: Cross multiply
    23,116,999.32x = 31,901,974.55 × 13,193,682.98
  4. Step 4: Simplify right side
    23,116,999.32x = 420,904,538,423,249.88
  5. Step 5: Solve for x
    x = 420,904,538,423,249.88/23,116,999.32
  6. Step 6: Final answer
    x = 18,207,576.71

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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.