Finding the Fourth Proportional to 6,163,434.42, 8,505,771.81 and 3,372,745.14
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Solution
The fourth proportional to 6,163,434.42, 8,505,771.81 and 3,372,745.14 is: 4,654,515.42
Step by Step Solution
- Step 1: Write the proportion equation
6,163,434.42 : 8,505,771.81 = 3,372,745.14 : x - Step 2: Convert to fraction form
6,163,434.42/8,505,771.81 = 3,372,745.14/x - Step 3: Cross multiply
6,163,434.42x = 8,505,771.81 × 3,372,745.14 - Step 4: Simplify right side
6,163,434.42x = 28,687,800,534,126.51 - Step 5: Solve for x
x = 28,687,800,534,126.51/6,163,434.42 - Step 6: Final answer
x = 4,654,515.42
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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.