Home / 12,215,315.63-18,322,957.94-3,117,413.39

Finding the Fourth Proportional to 12,215,315.63, 18,322,957.94 and 3,117,413.39

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Solution

The fourth proportional to 12,215,315.63, 18,322,957.94 and 3,117,413.39 is: 4,676,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,315.63 : 18,322,957.94 = 3,117,413.39 : x
  2. Step 2: Convert to fraction form
    12,215,315.63/18,322,957.94 = 3,117,413.39/x
  3. Step 3: Cross multiply
    12,215,315.63x = 18,322,957.94 × 3,117,413.39
  4. Step 4: Simplify right side
    12,215,315.63x = 57,120,234,319,360.95
  5. Step 5: Solve for x
    x = 57,120,234,319,360.95/12,215,315.63
  6. Step 6: Final answer
    x = 4,676,116.12

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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.