Home / 12,561,091.20-18,841,636.80-6,183,799.20

Finding the Fourth Proportional to 12,561,091.20, 18,841,636.80 and 6,183,799.20

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Solution

The fourth proportional to 12,561,091.20, 18,841,636.80 and 6,183,799.20 is: 9,275,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,091.20 : 18,841,636.80 = 6,183,799.20 : x
  2. Step 2: Convert to fraction form
    12,561,091.20/18,841,636.80 = 6,183,799.20/x
  3. Step 3: Cross multiply
    12,561,091.20x = 18,841,636.80 × 6,183,799.20
  4. Step 4: Simplify right side
    12,561,091.20x = 116,512,898,570,530.56
  5. Step 5: Solve for x
    x = 116,512,898,570,530.56/12,561,091.20
  6. Step 6: Final answer
    x = 9,275,698.80

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Similar ratio
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1.5x scale

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.