Home / 31,166,292.72-46,749,439.48-8,447,189.96

Finding the Fourth Proportional to 31,166,292.72, 46,749,439.48 and 8,447,189.96

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Solution

The fourth proportional to 31,166,292.72, 46,749,439.48 and 8,447,189.96 is: 12,670,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166,292.72 : 46,749,439.48 = 8,447,189.96 : x
  2. Step 2: Convert to fraction form
    31,166,292.72/46,749,439.48 = 8,447,189.96/x
  3. Step 3: Cross multiply
    31,166,292.72x = 46,749,439.48 × 8,447,189.96
  4. Step 4: Simplify right side
    31,166,292.72x = 394,901,395,811,083.62
  5. Step 5: Solve for x
    x = 394,901,395,811,083.62/31,166,292.72
  6. Step 6: Final answer
    x = 12,670,785.05

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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.