Home / 20,141,020.80-30,215,467.80-8,008,419.60

Finding the Fourth Proportional to 20,141,020.80, 30,215,467.80 and 8,008,419.60

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Solution

The fourth proportional to 20,141,020.80, 30,215,467.80 and 8,008,419.60 is: 12,014,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,020.80 : 30,215,467.80 = 8,008,419.60 : x
  2. Step 2: Convert to fraction form
    20,141,020.80/30,215,467.80 = 8,008,419.60/x
  3. Step 3: Cross multiply
    20,141,020.80x = 30,215,467.80 × 8,008,419.60
  4. Step 4: Simplify right side
    20,141,020.80x = 241,978,144,552,688.88
  5. Step 5: Solve for x
    x = 241,978,144,552,688.88/20,141,020.80
  6. Step 6: Final answer
    x = 12,014,194.66

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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.