Home / 13,669,816.40-20,504,724.60-8,567,982.80

Finding the Fourth Proportional to 13,669,816.40, 20,504,724.60 and 8,567,982.80

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Solution

The fourth proportional to 13,669,816.40, 20,504,724.60 and 8,567,982.80 is: 12,851,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,816.40 : 20,504,724.60 = 8,567,982.80 : x
  2. Step 2: Convert to fraction form
    13,669,816.40/20,504,724.60 = 8,567,982.80/x
  3. Step 3: Cross multiply
    13,669,816.40x = 20,504,724.60 × 8,567,982.80
  4. Step 4: Simplify right side
    13,669,816.40x = 175,684,127,691,536.91
  5. Step 5: Solve for x
    x = 175,684,127,691,536.91/13,669,816.40
  6. Step 6: Final answer
    x = 12,851,974.20

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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.