Home / 31,383,250.80-47,074,806.96-8,354,190.48

Finding the Fourth Proportional to 31,383,250.80, 47,074,806.96 and 8,354,190.48

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Solution

The fourth proportional to 31,383,250.80, 47,074,806.96 and 8,354,190.48 is: 12,531,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383,250.80 : 47,074,806.96 = 8,354,190.48 : x
  2. Step 2: Convert to fraction form
    31,383,250.80/47,074,806.96 = 8,354,190.48/x
  3. Step 3: Cross multiply
    31,383,250.80x = 47,074,806.96 × 8,354,190.48
  4. Step 4: Simplify right side
    31,383,250.80x = 393,271,904,153,069.75
  5. Step 5: Solve for x
    x = 393,271,904,153,069.75/31,383,250.80
  6. Step 6: Final answer
    x = 12,531,267.29

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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.