Home / 31,380,494.40-47,061,410.40-12,200,212.80

Finding the Fourth Proportional to 31,380,494.40, 47,061,410.40 and 12,200,212.80

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Solution

The fourth proportional to 31,380,494.40, 47,061,410.40 and 12,200,212.80 is: 18,296,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380,494.40 : 47,061,410.40 = 12,200,212.80 : x
  2. Step 2: Convert to fraction form
    31,380,494.40/47,061,410.40 = 12,200,212.80/x
  3. Step 3: Cross multiply
    31,380,494.40x = 47,061,410.40 × 12,200,212.80
  4. Step 4: Simplify right side
    31,380,494.40x = 574,159,221,548,133.12
  5. Step 5: Solve for x
    x = 574,159,221,548,133.12/31,380,494.40
  6. Step 6: Final answer
    x = 18,296,691.39

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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.