Home / 18,792,116.40-28,188,174.60-10,572,495.60

Finding the Fourth Proportional to 18,792,116.40, 28,188,174.60 and 10,572,495.60

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Solution

The fourth proportional to 18,792,116.40, 28,188,174.60 and 10,572,495.60 is: 15,858,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,116.40 : 28,188,174.60 = 10,572,495.60 : x
  2. Step 2: Convert to fraction form
    18,792,116.40/28,188,174.60 = 10,572,495.60/x
  3. Step 3: Cross multiply
    18,792,116.40x = 28,188,174.60 × 10,572,495.60
  4. Step 4: Simplify right side
    18,792,116.40x = 298,019,351,930,531.75
  5. Step 5: Solve for x
    x = 298,019,351,930,531.75/18,792,116.40
  6. Step 6: Final answer
    x = 15,858,743.40

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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.