Home / 9,991,413.27-13,788,486.09-6,123,188.61

Finding the Fourth Proportional to 9,991,413.27, 13,788,486.09 and 6,123,188.61

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Solution

The fourth proportional to 9,991,413.27, 13,788,486.09 and 6,123,188.61 is: 8,450,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,413.27 : 13,788,486.09 = 6,123,188.61 : x
  2. Step 2: Convert to fraction form
    9,991,413.27/13,788,486.09 = 6,123,188.61/x
  3. Step 3: Cross multiply
    9,991,413.27x = 13,788,486.09 × 6,123,188.61
  4. Step 4: Simplify right side
    9,991,413.27x = 84,429,500,975,431.44
  5. Step 5: Solve for x
    x = 84,429,500,975,431.44/9,991,413.27
  6. Step 6: Final answer
    x = 8,450,206.06

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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.