Home / 13,608,534.20-20,412,801.30-12,522,032.60

Finding the Fourth Proportional to 13,608,534.20, 20,412,801.30 and 12,522,032.60

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Solution

The fourth proportional to 13,608,534.20, 20,412,801.30 and 12,522,032.60 is: 18,783,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,534.20 : 20,412,801.30 = 12,522,032.60 : x
  2. Step 2: Convert to fraction form
    13,608,534.20/20,412,801.30 = 12,522,032.60/x
  3. Step 3: Cross multiply
    13,608,534.20x = 20,412,801.30 × 12,522,032.60
  4. Step 4: Simplify right side
    13,608,534.20x = 255,609,763,335,922.38
  5. Step 5: Solve for x
    x = 255,609,763,335,922.38/13,608,534.20
  6. Step 6: Final answer
    x = 18,783,048.90

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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.