Home / 13,469,231.80-20,203,847.70-9,430,280.20

Finding the Fourth Proportional to 13,469,231.80, 20,203,847.70 and 9,430,280.20

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Solution

The fourth proportional to 13,469,231.80, 20,203,847.70 and 9,430,280.20 is: 14,145,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,231.80 : 20,203,847.70 = 9,430,280.20 : x
  2. Step 2: Convert to fraction form
    13,469,231.80/20,203,847.70 = 9,430,280.20/x
  3. Step 3: Cross multiply
    13,469,231.80x = 20,203,847.70 × 9,430,280.20
  4. Step 4: Simplify right side
    13,469,231.80x = 190,527,944,929,125.53
  5. Step 5: Solve for x
    x = 190,527,944,929,125.53/13,469,231.80
  6. Step 6: Final answer
    x = 14,145,420.30

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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.