Home / 13,231,808.60-19,847,712.90-5,659,539.80

Finding the Fourth Proportional to 13,231,808.60, 19,847,712.90 and 5,659,539.80

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Solution

The fourth proportional to 13,231,808.60, 19,847,712.90 and 5,659,539.80 is: 8,489,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,808.60 : 19,847,712.90 = 5,659,539.80 : x
  2. Step 2: Convert to fraction form
    13,231,808.60/19,847,712.90 = 5,659,539.80/x
  3. Step 3: Cross multiply
    13,231,808.60x = 19,847,712.90 × 5,659,539.80
  4. Step 4: Simplify right side
    13,231,808.60x = 112,328,921,096,523.41
  5. Step 5: Solve for x
    x = 112,328,921,096,523.41/13,231,808.60
  6. Step 6: Final answer
    x = 8,489,309.70

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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.