Home / 31,126,616.12-46,691,627.02-12,932,650.86

Finding the Fourth Proportional to 31,126,616.12, 46,691,627.02 and 12,932,650.86

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Solution

The fourth proportional to 31,126,616.12, 46,691,627.02 and 12,932,650.86 is: 19,399,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126,616.12 : 46,691,627.02 = 12,932,650.86 : x
  2. Step 2: Convert to fraction form
    31,126,616.12/46,691,627.02 = 12,932,650.86/x
  3. Step 3: Cross multiply
    31,126,616.12x = 46,691,627.02 × 12,932,650.86
  4. Step 4: Simplify right side
    31,126,616.12x = 603,846,510,335,002.25
  5. Step 5: Solve for x
    x = 603,846,510,335,002.25/31,126,616.12
  6. Step 6: Final answer
    x = 19,399,683.79

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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.