Home / 12,188,852.38-18,289,269.60-4,902,021.26

Finding the Fourth Proportional to 12,188,852.38, 18,289,269.60 and 4,902,021.26

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Solution

The fourth proportional to 12,188,852.38, 18,289,269.60 and 4,902,021.26 is: 7,355,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,852.38 : 18,289,269.60 = 4,902,021.26 : x
  2. Step 2: Convert to fraction form
    12,188,852.38/18,289,269.60 = 4,902,021.26/x
  3. Step 3: Cross multiply
    12,188,852.38x = 18,289,269.60 × 4,902,021.26
  4. Step 4: Simplify right side
    12,188,852.38x = 89,654,388,409,071.70
  5. Step 5: Solve for x
    x = 89,654,388,409,071.70/12,188,852.38
  6. Step 6: Final answer
    x = 7,355,441.32

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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.