Finding the Fourth Proportional to 13,373,670.60, 20,067,369.77 and 6,370,716.78
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Solution
The fourth proportional to 13,373,670.60, 20,067,369.77 and 6,370,716.78 is: 9,559,344.86
Step by Step Solution
- Step 1: Write the proportion equation
13,373,670.60 : 20,067,369.77 = 6,370,716.78 : x - Step 2: Convert to fraction form
13,373,670.60/20,067,369.77 = 6,370,716.78/x - Step 3: Cross multiply
13,373,670.60x = 20,067,369.77 × 6,370,716.78 - Step 4: Simplify right side
13,373,670.60x = 127,843,529,324,203.75 - Step 5: Solve for x
x = 127,843,529,324,203.75/13,373,670.60 - Step 6: Final answer
x = 9,559,344.86
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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.