Home / 31,383,245.76-47,074,799.46-8,354,185.44

Finding the Fourth Proportional to 31,383,245.76, 47,074,799.46 and 8,354,185.44

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Solution

The fourth proportional to 31,383,245.76, 47,074,799.46 and 8,354,185.44 is: 12,531,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383,245.76 : 47,074,799.46 = 8,354,185.44 : x
  2. Step 2: Convert to fraction form
    31,383,245.76/47,074,799.46 = 8,354,185.44/x
  3. Step 3: Cross multiply
    31,383,245.76x = 47,074,799.46 × 8,354,185.44
  4. Step 4: Simplify right side
    31,383,245.76x = 393,271,604,239,651.88
  5. Step 5: Solve for x
    x = 393,271,604,239,651.88/31,383,245.76
  6. Step 6: Final answer
    x = 12,531,259.74

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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.