Home / 12,381,696.10-17,086,740.57-6,949,188.10

Finding the Fourth Proportional to 12,381,696.10, 17,086,740.57 and 6,949,188.10

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Solution

The fourth proportional to 12,381,696.10, 17,086,740.57 and 6,949,188.10 is: 9,589,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,696.10 : 17,086,740.57 = 6,949,188.10 : x
  2. Step 2: Convert to fraction form
    12,381,696.10/17,086,740.57 = 6,949,188.10/x
  3. Step 3: Cross multiply
    12,381,696.10x = 17,086,740.57 × 6,949,188.10
  4. Step 4: Simplify right side
    12,381,696.10x = 118,738,974,236,831.22
  5. Step 5: Solve for x
    x = 118,738,974,236,831.22/12,381,696.10
  6. Step 6: Final answer
    x = 9,589,879.55

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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.