Home / 10,946,942.60-16,420,413.90-6,915,864.20

Finding the Fourth Proportional to 10,946,942.60, 16,420,413.90 and 6,915,864.20

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Solution

The fourth proportional to 10,946,942.60, 16,420,413.90 and 6,915,864.20 is: 10,373,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946,942.60 : 16,420,413.90 = 6,915,864.20 : x
  2. Step 2: Convert to fraction form
    10,946,942.60/16,420,413.90 = 6,915,864.20/x
  3. Step 3: Cross multiply
    10,946,942.60x = 16,420,413.90 × 6,915,864.20
  4. Step 4: Simplify right side
    10,946,942.60x = 113,561,352,640,192.39
  5. Step 5: Solve for x
    x = 113,561,352,640,192.39/10,946,942.60
  6. Step 6: Final answer
    x = 10,373,796.30

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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.