Home / 13,620,609.28-20,424,765.58-3,902,999.60

Finding the Fourth Proportional to 13,620,609.28, 20,424,765.58 and 3,902,999.60

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Solution

The fourth proportional to 13,620,609.28, 20,424,765.58 and 3,902,999.60 is: 5,852,737.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,609.28 : 20,424,765.58 = 3,902,999.60 : x
  2. Step 2: Convert to fraction form
    13,620,609.28/20,424,765.58 = 3,902,999.60/x
  3. Step 3: Cross multiply
    13,620,609.28x = 20,424,765.58 × 3,902,999.60
  4. Step 4: Simplify right side
    13,620,609.28x = 79,717,851,888,833.77
  5. Step 5: Solve for x
    x = 79,717,851,888,833.77/13,620,609.28
  6. Step 6: Final answer
    x = 5,852,737.59

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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.