Home / 20,467,223.20-30,660,399.60-10,377,085.60

Finding the Fourth Proportional to 20,467,223.20, 30,660,399.60 and 10,377,085.60

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Solution

The fourth proportional to 20,467,223.20, 30,660,399.60 and 10,377,085.60 is: 15,545,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,223.20 : 30,660,399.60 = 10,377,085.60 : x
  2. Step 2: Convert to fraction form
    20,467,223.20/30,660,399.60 = 10,377,085.60/x
  3. Step 3: Cross multiply
    20,467,223.20x = 30,660,399.60 × 10,377,085.60
  4. Step 4: Simplify right side
    20,467,223.20x = 318,165,591,179,405.75
  5. Step 5: Solve for x
    x = 318,165,591,179,405.75/20,467,223.20
  6. Step 6: Final answer
    x = 15,545,127.35

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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.