Finding the Fourth Proportional to 8,318,991.84, 11,479,067.52 and 4,647,452.13
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Solution
The fourth proportional to 8,318,991.84, 11,479,067.52 and 4,647,452.13 is: 6,412,846.39
Step by Step Solution
- Step 1: Write the proportion equation
8,318,991.84 : 11,479,067.52 = 4,647,452.13 : x - Step 2: Convert to fraction form
8,318,991.84/11,479,067.52 = 4,647,452.13/x - Step 3: Cross multiply
8,318,991.84x = 11,479,067.52 × 4,647,452.13 - Step 4: Simplify right side
8,318,991.84x = 53,348,416,796,237.81 - Step 5: Solve for x
x = 53,348,416,796,237.81/8,318,991.84 - Step 6: Final answer
x = 6,412,846.39
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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.