Home / 20,424,890.40-30,601,906.20-13,232,722.20

Finding the Fourth Proportional to 20,424,890.40, 30,601,906.20 and 13,232,722.20

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Solution

The fourth proportional to 20,424,890.40, 30,601,906.20 and 13,232,722.20 is: 19,826,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,890.40 : 30,601,906.20 = 13,232,722.20 : x
  2. Step 2: Convert to fraction form
    20,424,890.40/30,601,906.20 = 13,232,722.20/x
  3. Step 3: Cross multiply
    20,424,890.40x = 30,601,906.20 × 13,232,722.20
  4. Step 4: Simplify right side
    20,424,890.40x = 404,946,523,535,057.62
  5. Step 5: Solve for x
    x = 404,946,523,535,057.62/20,424,890.40
  6. Step 6: Final answer
    x = 19,826,129.57

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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.