Home / 12,407,548.80-18,611,906.40-3,888,163.20

Finding the Fourth Proportional to 12,407,548.80, 18,611,906.40 and 3,888,163.20

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Solution

The fourth proportional to 12,407,548.80, 18,611,906.40 and 3,888,163.20 is: 5,832,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407,548.80 : 18,611,906.40 = 3,888,163.20 : x
  2. Step 2: Convert to fraction form
    12,407,548.80/18,611,906.40 = 3,888,163.20/x
  3. Step 3: Cross multiply
    12,407,548.80x = 18,611,906.40 × 3,888,163.20
  4. Step 4: Simplify right side
    12,407,548.80x = 72,366,129,546,324.48
  5. Step 5: Solve for x
    x = 72,366,129,546,324.48/12,407,548.80
  6. Step 6: Final answer
    x = 5,832,427.56

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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.