Home / 31,288,618.20-46,941,092.10-12,120,000.60

Finding the Fourth Proportional to 31,288,618.20, 46,941,092.10 and 12,120,000.60

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Solution

The fourth proportional to 31,288,618.20, 46,941,092.10 and 12,120,000.60 is: 18,183,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288,618.20 : 46,941,092.10 = 12,120,000.60 : x
  2. Step 2: Convert to fraction form
    31,288,618.20/46,941,092.10 = 12,120,000.60/x
  3. Step 3: Cross multiply
    31,288,618.20x = 46,941,092.10 × 12,120,000.60
  4. Step 4: Simplify right side
    31,288,618.20x = 568,926,064,416,655.25
  5. Step 5: Solve for x
    x = 568,926,064,416,655.25/31,288,618.20
  6. Step 6: Final answer
    x = 18,183,163.63

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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.