Home / 19,991,413.20-29,987,120.88-4,845,344.64

Finding the Fourth Proportional to 19,991,413.20, 29,987,120.88 and 4,845,344.64

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Solution

The fourth proportional to 19,991,413.20, 29,987,120.88 and 4,845,344.64 is: 7,268,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,413.20 : 29,987,120.88 = 4,845,344.64 : x
  2. Step 2: Convert to fraction form
    19,991,413.20/29,987,120.88 = 4,845,344.64/x
  3. Step 3: Cross multiply
    19,991,413.20x = 29,987,120.88 × 4,845,344.64
  4. Step 4: Simplify right side
    19,991,413.20x = 145,297,935,424,940.06
  5. Step 5: Solve for x
    x = 145,297,935,424,940.06/19,991,413.20
  6. Step 6: Final answer
    x = 7,268,017.22

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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.