Home / 15,122,999.72-20,868,918.84-8,595,723.32

Finding the Fourth Proportional to 15,122,999.72, 20,868,918.84 and 8,595,723.32

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Solution

The fourth proportional to 15,122,999.72, 20,868,918.84 and 8,595,723.32 is: 11,861,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122,999.72 : 20,868,918.84 = 8,595,723.32 : x
  2. Step 2: Convert to fraction form
    15,122,999.72/20,868,918.84 = 8,595,723.32/x
  3. Step 3: Cross multiply
    15,122,999.72x = 20,868,918.84 × 8,595,723.32
  4. Step 4: Simplify right side
    15,122,999.72x = 179,383,452,336,175.34
  5. Step 5: Solve for x
    x = 179,383,452,336,175.34/15,122,999.72
  6. Step 6: Final answer
    x = 11,861,631.66

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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.