Home / 19,987,942.86-27,583,370.44-10,820,585.61

Finding the Fourth Proportional to 19,987,942.86, 27,583,370.44 and 10,820,585.61

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Solution

The fourth proportional to 19,987,942.86, 27,583,370.44 and 10,820,585.61 is: 14,932,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,942.86 : 27,583,370.44 = 10,820,585.61 : x
  2. Step 2: Convert to fraction form
    19,987,942.86/27,583,370.44 = 10,820,585.61/x
  3. Step 3: Cross multiply
    19,987,942.86x = 27,583,370.44 × 10,820,585.61
  4. Step 4: Simplify right side
    19,987,942.86x = 298,468,221,231,311.88
  5. Step 5: Solve for x
    x = 298,468,221,231,311.88/19,987,942.86
  6. Step 6: Final answer
    x = 14,932,413.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.