Home / 13,188,770.66-18,200,610.37-7,308,503.06

Finding the Fourth Proportional to 13,188,770.66, 18,200,610.37 and 7,308,503.06

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Solution

The fourth proportional to 13,188,770.66, 18,200,610.37 and 7,308,503.06 is: 10,085,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,770.66 : 18,200,610.37 = 7,308,503.06 : x
  2. Step 2: Convert to fraction form
    13,188,770.66/18,200,610.37 = 7,308,503.06/x
  3. Step 3: Cross multiply
    13,188,770.66x = 18,200,610.37 × 7,308,503.06
  4. Step 4: Simplify right side
    13,188,770.66x = 133,019,216,610,243
  5. Step 5: Solve for x
    x = 133,019,216,610,243/13,188,770.66
  6. Step 6: Final answer
    x = 10,085,793.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.