Home / 7,172,413.96-9,897,934.88-4,074,942.68

Finding the Fourth Proportional to 7,172,413.96, 9,897,934.88 and 4,074,942.68

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Solution

The fourth proportional to 7,172,413.96, 9,897,934.88 and 4,074,942.68 is: 5,623,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,413.96 : 9,897,934.88 = 4,074,942.68 : x
  2. Step 2: Convert to fraction form
    7,172,413.96/9,897,934.88 = 4,074,942.68/x
  3. Step 3: Cross multiply
    7,172,413.96x = 9,897,934.88 × 4,074,942.68
  4. Step 4: Simplify right side
    7,172,413.96x = 40,333,517,286,372.68
  5. Step 5: Solve for x
    x = 40,333,517,286,372.68/7,172,413.96
  6. Step 6: Final answer
    x = 5,623,422.95

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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.