Home / 28,384,583.78-39,170,741.26-15,331,842.64

Finding the Fourth Proportional to 28,384,583.78, 39,170,741.26 and 15,331,842.64

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Solution

The fourth proportional to 28,384,583.78, 39,170,741.26 and 15,331,842.64 is: 21,157,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,583.78 : 39,170,741.26 = 15,331,842.64 : x
  2. Step 2: Convert to fraction form
    28,384,583.78/39,170,741.26 = 15,331,842.64/x
  3. Step 3: Cross multiply
    28,384,583.78x = 39,170,741.26 × 15,331,842.64
  4. Step 4: Simplify right side
    28,384,583.78x = 600,559,640,954,218.88
  5. Step 5: Solve for x
    x = 600,559,640,954,218.88/28,384,583.78
  6. Step 6: Final answer
    x = 21,157,951.29

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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.