Home / 19,485,438.80-29,228,158.20-8,122,110.80

Finding the Fourth Proportional to 19,485,438.80, 29,228,158.20 and 8,122,110.80

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Solution

The fourth proportional to 19,485,438.80, 29,228,158.20 and 8,122,110.80 is: 12,183,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,438.80 : 29,228,158.20 = 8,122,110.80 : x
  2. Step 2: Convert to fraction form
    19,485,438.80/29,228,158.20 = 8,122,110.80/x
  3. Step 3: Cross multiply
    19,485,438.80x = 29,228,158.20 × 8,122,110.80
  4. Step 4: Simplify right side
    19,485,438.80x = 237,394,339,380,328.56
  5. Step 5: Solve for x
    x = 237,394,339,380,328.56/19,485,438.80
  6. Step 6: Final answer
    x = 12,183,166.20

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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.