Home / 31,373,102.40-47,050,322.40-12,192,820.80

Finding the Fourth Proportional to 31,373,102.40, 47,050,322.40 and 12,192,820.80

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Solution

The fourth proportional to 31,373,102.40, 47,050,322.40 and 12,192,820.80 is: 18,285,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373,102.40 : 47,050,322.40 = 12,192,820.80 : x
  2. Step 2: Convert to fraction form
    31,373,102.40/47,050,322.40 = 12,192,820.80/x
  3. Step 3: Cross multiply
    31,373,102.40x = 47,050,322.40 × 12,192,820.80
  4. Step 4: Simplify right side
    31,373,102.40x = 573,676,149,605,425.88
  5. Step 5: Solve for x
    x = 573,676,149,605,425.88/31,373,102.40
  6. Step 6: Final answer
    x = 18,285,604.73

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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.