Home / 31,231,912.08-43,100,029.08-17,480,872.56

Finding the Fourth Proportional to 31,231,912.08, 43,100,029.08 and 17,480,872.56

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Solution

The fourth proportional to 31,231,912.08, 43,100,029.08 and 17,480,872.56 is: 24,123,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231,912.08 : 43,100,029.08 = 17,480,872.56 : x
  2. Step 2: Convert to fraction form
    31,231,912.08/43,100,029.08 = 17,480,872.56/x
  3. Step 3: Cross multiply
    31,231,912.08x = 43,100,029.08 × 17,480,872.56
  4. Step 4: Simplify right side
    31,231,912.08x = 753,426,115,679,774
  5. Step 5: Solve for x
    x = 753,426,115,679,774/31,231,912.08
  6. Step 6: Final answer
    x = 24,123,598.76

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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.