Home / 31,449,413.21-47,172,345.44-13,936,926.64

Finding the Fourth Proportional to 31,449,413.21, 47,172,345.44 and 13,936,926.64

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Solution

The fourth proportional to 31,449,413.21, 47,172,345.44 and 13,936,926.64 is: 20,904,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,413.21 : 47,172,345.44 = 13,936,926.64 : x
  2. Step 2: Convert to fraction form
    31,449,413.21/47,172,345.44 = 13,936,926.64/x
  3. Step 3: Cross multiply
    31,449,413.21x = 47,172,345.44 × 13,936,926.64
  4. Step 4: Simplify right side
    31,449,413.21x = 657,437,517,734,851.12
  5. Step 5: Solve for x
    x = 657,437,517,734,851.12/31,449,413.21
  6. Step 6: Final answer
    x = 20,904,603.64

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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.