Home / 17,386,942.20-26,080,413.30-12,285,108.60

Finding the Fourth Proportional to 17,386,942.20, 26,080,413.30 and 12,285,108.60

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Solution

The fourth proportional to 17,386,942.20, 26,080,413.30 and 12,285,108.60 is: 18,427,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386,942.20 : 26,080,413.30 = 12,285,108.60 : x
  2. Step 2: Convert to fraction form
    17,386,942.20/26,080,413.30 = 12,285,108.60/x
  3. Step 3: Cross multiply
    17,386,942.20x = 26,080,413.30 × 12,285,108.60
  4. Step 4: Simplify right side
    17,386,942.20x = 320,400,709,723,384.38
  5. Step 5: Solve for x
    x = 320,400,709,723,384.38/17,386,942.20
  6. Step 6: Final answer
    x = 18,427,662.90

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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.