Home / 11,979,878.14-17,970,413.89-5,837,502.75

Finding the Fourth Proportional to 11,979,878.14, 17,970,413.89 and 5,837,502.75

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Solution

The fourth proportional to 11,979,878.14, 17,970,413.89 and 5,837,502.75 is: 8,756,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979,878.14 : 17,970,413.89 = 5,837,502.75 : x
  2. Step 2: Convert to fraction form
    11,979,878.14/17,970,413.89 = 5,837,502.75/x
  3. Step 3: Cross multiply
    11,979,878.14x = 17,970,413.89 × 5,837,502.75
  4. Step 4: Simplify right side
    11,979,878.14x = 104,902,340,501,513.20
  5. Step 5: Solve for x
    x = 104,902,340,501,513.20/11,979,878.14
  6. Step 6: Final answer
    x = 8,756,544.87

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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.