Home / 30,651,413.11-45,982,786.42-8,790,877.15

Finding the Fourth Proportional to 30,651,413.11, 45,982,786.42 and 8,790,877.15

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Solution

The fourth proportional to 30,651,413.11, 45,982,786.42 and 8,790,877.15 is: 13,187,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651,413.11 : 45,982,786.42 = 8,790,877.15 : x
  2. Step 2: Convert to fraction form
    30,651,413.11/45,982,786.42 = 8,790,877.15/x
  3. Step 3: Cross multiply
    30,651,413.11x = 45,982,786.42 × 8,790,877.15
  4. Step 4: Simplify right side
    30,651,413.11x = 404,229,026,328,940
  5. Step 5: Solve for x
    x = 404,229,026,328,940/30,651,413.11
  6. Step 6: Final answer
    x = 13,187,940.96

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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.