Home / 8,971,383.86-13,456,425.11-3,505,451.21

Finding the Fourth Proportional to 8,971,383.86, 13,456,425.11 and 3,505,451.21

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Solution

The fourth proportional to 8,971,383.86, 13,456,425.11 and 3,505,451.21 is: 5,257,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,383.86 : 13,456,425.11 = 3,505,451.21 : x
  2. Step 2: Convert to fraction form
    8,971,383.86/13,456,425.11 = 3,505,451.21/x
  3. Step 3: Cross multiply
    8,971,383.86x = 13,456,425.11 × 3,505,451.21
  4. Step 4: Simplify right side
    8,971,383.86x = 47,170,841,649,776.10
  5. Step 5: Solve for x
    x = 47,170,841,649,776.10/8,971,383.86
  6. Step 6: Final answer
    x = 5,257,922.57

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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.