Home / 13,620,608.78-20,424,764.85-3,902,999.08

Finding the Fourth Proportional to 13,620,608.78, 20,424,764.85 and 3,902,999.08

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Solution

The fourth proportional to 13,620,608.78, 20,424,764.85 and 3,902,999.08 is: 5,852,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,608.78 : 20,424,764.85 = 3,902,999.08 : x
  2. Step 2: Convert to fraction form
    13,620,608.78/20,424,764.85 = 3,902,999.08/x
  3. Step 3: Cross multiply
    13,620,608.78x = 20,424,764.85 × 3,902,999.08
  4. Step 4: Simplify right side
    13,620,608.78x = 79,717,838,418,766.34
  5. Step 5: Solve for x
    x = 79,717,838,418,766.34/13,620,608.78
  6. Step 6: Final answer
    x = 5,852,736.81

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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.