Home / 20,405,611.72-30,607,532.22-7,626,227.56

Finding the Fourth Proportional to 20,405,611.72, 30,607,532.22 and 7,626,227.56

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Solution

The fourth proportional to 20,405,611.72, 30,607,532.22 and 7,626,227.56 is: 11,439,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405,611.72 : 30,607,532.22 = 7,626,227.56 : x
  2. Step 2: Convert to fraction form
    20,405,611.72/30,607,532.22 = 7,626,227.56/x
  3. Step 3: Cross multiply
    20,405,611.72x = 30,607,532.22 × 7,626,227.56
  4. Step 4: Simplify right side
    20,405,611.72x = 233,420,005,759,751.97
  5. Step 5: Solve for x
    x = 233,420,005,759,751.97/20,405,611.72
  6. Step 6: Final answer
    x = 11,439,010.45

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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.