Home / 18,724,233.40-28,086,350.10-13,321,468.60

Finding the Fourth Proportional to 18,724,233.40, 28,086,350.10 and 13,321,468.60

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Solution

The fourth proportional to 18,724,233.40, 28,086,350.10 and 13,321,468.60 is: 19,982,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,233.40 : 28,086,350.10 = 13,321,468.60 : x
  2. Step 2: Convert to fraction form
    18,724,233.40/28,086,350.10 = 13,321,468.60/x
  3. Step 3: Cross multiply
    18,724,233.40x = 28,086,350.10 × 13,321,468.60
  4. Step 4: Simplify right side
    18,724,233.40x = 374,151,430,945,756.88
  5. Step 5: Solve for x
    x = 374,151,430,945,756.88/18,724,233.40
  6. Step 6: Final answer
    x = 19,982,202.90

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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.