Home / 8,969,696.42-13,459,766.49-3,781,980.63

Finding the Fourth Proportional to 8,969,696.42, 13,459,766.49 and 3,781,980.63

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Solution

The fourth proportional to 8,969,696.42, 13,459,766.49 and 3,781,980.63 is: 5,675,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,696.42 : 13,459,766.49 = 3,781,980.63 : x
  2. Step 2: Convert to fraction form
    8,969,696.42/13,459,766.49 = 3,781,980.63/x
  3. Step 3: Cross multiply
    8,969,696.42x = 13,459,766.49 × 3,781,980.63
  4. Step 4: Simplify right side
    8,969,696.42x = 50,904,576,149,503.09
  5. Step 5: Solve for x
    x = 50,904,576,149,503.09/8,969,696.42
  6. Step 6: Final answer
    x = 5,675,172.69

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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.