Home / 15,169,086.64-20,933,538.12-8,293,576.60

Finding the Fourth Proportional to 15,169,086.64, 20,933,538.12 and 8,293,576.60

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Solution

The fourth proportional to 15,169,086.64, 20,933,538.12 and 8,293,576.60 is: 11,445,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169,086.64 : 20,933,538.12 = 8,293,576.60 : x
  2. Step 2: Convert to fraction form
    15,169,086.64/20,933,538.12 = 8,293,576.60/x
  3. Step 3: Cross multiply
    15,169,086.64x = 20,933,538.12 × 8,293,576.60
  4. Step 4: Simplify right side
    15,169,086.64x = 173,613,901,907,240
  5. Step 5: Solve for x
    x = 173,613,901,907,240/15,169,086.64
  6. Step 6: Final answer
    x = 11,445,244.27

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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.