Home / 20,888,942.35-31,333,413.53-16,353,979.15

Finding the Fourth Proportional to 20,888,942.35, 31,333,413.53 and 16,353,979.15

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Solution

The fourth proportional to 20,888,942.35, 31,333,413.53 and 16,353,979.15 is: 24,530,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,942.35 : 31,333,413.53 = 16,353,979.15 : x
  2. Step 2: Convert to fraction form
    20,888,942.35/31,333,413.53 = 16,353,979.15/x
  3. Step 3: Cross multiply
    20,888,942.35x = 31,333,413.53 × 16,353,979.15
  4. Step 4: Simplify right side
    20,888,942.35x = 512,425,991,567,947.94
  5. Step 5: Solve for x
    x = 512,425,991,567,947.94/20,888,942.35
  6. Step 6: Final answer
    x = 24,530,968.73

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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.