Home / 18,722,430.40-28,083,645.60-16,632,241.60

Finding the Fourth Proportional to 18,722,430.40, 28,083,645.60 and 16,632,241.60

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Solution

The fourth proportional to 18,722,430.40, 28,083,645.60 and 16,632,241.60 is: 24,948,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,430.40 : 28,083,645.60 = 16,632,241.60 : x
  2. Step 2: Convert to fraction form
    18,722,430.40/28,083,645.60 = 16,632,241.60/x
  3. Step 3: Cross multiply
    18,722,430.40x = 28,083,645.60 × 16,632,241.60
  4. Step 4: Simplify right side
    18,722,430.40x = 467,093,978,627,977
  5. Step 5: Solve for x
    x = 467,093,978,627,977/18,722,430.40
  6. Step 6: Final answer
    x = 24,948,362.40

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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.