Home / 21,100,745.81-31,646,689.98-5,951,134.37

Finding the Fourth Proportional to 21,100,745.81, 31,646,689.98 and 5,951,134.37

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Solution

The fourth proportional to 21,100,745.81, 31,646,689.98 and 5,951,134.37 is: 8,925,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,745.81 : 31,646,689.98 = 5,951,134.37 : x
  2. Step 2: Convert to fraction form
    21,100,745.81/31,646,689.98 = 5,951,134.37/x
  3. Step 3: Cross multiply
    21,100,745.81x = 31,646,689.98 × 5,951,134.37
  4. Step 4: Simplify right side
    21,100,745.81x = 188,333,704,248,723.50
  5. Step 5: Solve for x
    x = 188,333,704,248,723.50/21,100,745.81
  6. Step 6: Final answer
    x = 8,925,452.49

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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.