Home / 20,332,885.80-30,522,948.30-12,254,982.60

Finding the Fourth Proportional to 20,332,885.80, 30,522,948.30 and 12,254,982.60

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Solution

The fourth proportional to 20,332,885.80, 30,522,948.30 and 12,254,982.60 is: 18,396,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,885.80 : 30,522,948.30 = 12,254,982.60 : x
  2. Step 2: Convert to fraction form
    20,332,885.80/30,522,948.30 = 12,254,982.60/x
  3. Step 3: Cross multiply
    20,332,885.80x = 30,522,948.30 × 12,254,982.60
  4. Step 4: Simplify right side
    20,332,885.80x = 374,058,200,317,199.56
  5. Step 5: Solve for x
    x = 374,058,200,317,199.56/20,332,885.80
  6. Step 6: Final answer
    x = 18,396,709.84

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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.