Home / 31,289,704.12-43,181,787.18-17,538,671.80

Finding the Fourth Proportional to 31,289,704.12, 43,181,787.18 and 17,538,671.80

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Solution

The fourth proportional to 31,289,704.12, 43,181,787.18 and 17,538,671.80 is: 24,204,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289,704.12 : 43,181,787.18 = 17,538,671.80 : x
  2. Step 2: Convert to fraction form
    31,289,704.12/43,181,787.18 = 17,538,671.80/x
  3. Step 3: Cross multiply
    31,289,704.12x = 43,181,787.18 × 17,538,671.80
  4. Step 4: Simplify right side
    31,289,704.12x = 757,351,193,087,467.50
  5. Step 5: Solve for x
    x = 757,351,193,087,467.50/31,289,704.12
  6. Step 6: Final answer
    x = 24,204,485.61

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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.