Home / 31,449,413.01-47,172,345.15-13,936,926.45

Finding the Fourth Proportional to 31,449,413.01, 47,172,345.15 and 13,936,926.45

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Solution

The fourth proportional to 31,449,413.01, 47,172,345.15 and 13,936,926.45 is: 20,904,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,413.01 : 47,172,345.15 = 13,936,926.45 : x
  2. Step 2: Convert to fraction form
    31,449,413.01/47,172,345.15 = 13,936,926.45/x
  3. Step 3: Cross multiply
    31,449,413.01x = 47,172,345.15 × 13,936,926.45
  4. Step 4: Simplify right side
    31,449,413.01x = 657,437,504,829,564.12
  5. Step 5: Solve for x
    x = 657,437,504,829,564.12/31,449,413.01
  6. Step 6: Final answer
    x = 20,904,603.36

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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.