Home / 31,703,171.22-47,539,765.97-12,281,493.80

Finding the Fourth Proportional to 31,703,171.22, 47,539,765.97 and 12,281,493.80

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Solution

The fourth proportional to 31,703,171.22, 47,539,765.97 and 12,281,493.80 is: 18,416,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,171.22 : 47,539,765.97 = 12,281,493.80 : x
  2. Step 2: Convert to fraction form
    31,703,171.22/47,539,765.97 = 12,281,493.80/x
  3. Step 3: Cross multiply
    31,703,171.22x = 47,539,765.97 × 12,281,493.80
  4. Step 4: Simplify right side
    31,703,171.22x = 583,859,340,714,899.75
  5. Step 5: Solve for x
    x = 583,859,340,714,899.75/31,703,171.22
  6. Step 6: Final answer
    x = 18,416,433.38

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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.