Home / 8,203,880.09-11,288,680.87-7,954,268.90

Finding the Fourth Proportional to 8,203,880.09, 11,288,680.87 and 7,954,268.90

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Solution

The fourth proportional to 8,203,880.09, 11,288,680.87 and 7,954,268.90 is: 10,945,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,880.09 : 11,288,680.87 = 7,954,268.90 : x
  2. Step 2: Convert to fraction form
    8,203,880.09/11,288,680.87 = 7,954,268.90/x
  3. Step 3: Cross multiply
    8,203,880.09x = 11,288,680.87 × 7,954,268.90
  4. Step 4: Simplify right side
    8,203,880.09x = 89,793,203,070,051.19
  5. Step 5: Solve for x
    x = 89,793,203,070,051.19/8,203,880.09
  6. Step 6: Final answer
    x = 10,945,211.54

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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.