Home / 13,620,608.28-20,424,764.08-3,902,998.60

Finding the Fourth Proportional to 13,620,608.28, 20,424,764.08 and 3,902,998.60

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Solution

The fourth proportional to 13,620,608.28, 20,424,764.08 and 3,902,998.60 is: 5,852,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,608.28 : 20,424,764.08 = 3,902,998.60 : x
  2. Step 2: Convert to fraction form
    13,620,608.28/20,424,764.08 = 3,902,998.60/x
  3. Step 3: Cross multiply
    13,620,608.28x = 20,424,764.08 × 3,902,998.60
  4. Step 4: Simplify right side
    13,620,608.28x = 79,717,825,609,570.28
  5. Step 5: Solve for x
    x = 79,717,825,609,570.28/13,620,608.28
  6. Step 6: Final answer
    x = 5,852,736.09

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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.