Home / 31,415,115.20-47,122,672.80-30,883,674.20

Finding the Fourth Proportional to 31,415,115.20, 47,122,672.80 and 30,883,674.20

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Solution

The fourth proportional to 31,415,115.20, 47,122,672.80 and 30,883,674.20 is: 46,325,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415,115.20 : 47,122,672.80 = 30,883,674.20 : x
  2. Step 2: Convert to fraction form
    31,415,115.20/47,122,672.80 = 30,883,674.20/x
  3. Step 3: Cross multiply
    31,415,115.20x = 47,122,672.80 × 30,883,674.20
  4. Step 4: Simplify right side
    31,415,115.20x = 1,455,321,274,188,401.75
  5. Step 5: Solve for x
    x = 1,455,321,274,188,401.75/31,415,115.20
  6. Step 6: Final answer
    x = 46,325,511.30

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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.