Home / 8,731,153.26-13,086,798.48-5,311,902.60

Finding the Fourth Proportional to 8,731,153.26, 13,086,798.48 and 5,311,902.60

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Solution

The fourth proportional to 8,731,153.26, 13,086,798.48 and 5,311,902.60 is: 7,961,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,153.26 : 13,086,798.48 = 5,311,902.60 : x
  2. Step 2: Convert to fraction form
    8,731,153.26/13,086,798.48 = 5,311,902.60/x
  3. Step 3: Cross multiply
    8,731,153.26x = 13,086,798.48 × 5,311,902.60
  4. Step 4: Simplify right side
    8,731,153.26x = 69,515,798,871,588.05
  5. Step 5: Solve for x
    x = 69,515,798,871,588.05/8,731,153.26
  6. Step 6: Final answer
    x = 7,961,811.78

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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.