Home / 20,630,942.40-30,946,413.60-5,486,404.80

Finding the Fourth Proportional to 20,630,942.40, 30,946,413.60 and 5,486,404.80

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Solution

The fourth proportional to 20,630,942.40, 30,946,413.60 and 5,486,404.80 is: 8,229,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630,942.40 : 30,946,413.60 = 5,486,404.80 : x
  2. Step 2: Convert to fraction form
    20,630,942.40/30,946,413.60 = 5,486,404.80/x
  3. Step 3: Cross multiply
    20,630,942.40x = 30,946,413.60 × 5,486,404.80
  4. Step 4: Simplify right side
    20,630,942.40x = 169,784,552,117,825.28
  5. Step 5: Solve for x
    x = 169,784,552,117,825.28/20,630,942.40
  6. Step 6: Final answer
    x = 8,229,607.20

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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.