Finding the Fourth Proportional to 11,612,067.53, 16,025,114.91 and 6,385,504.19
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Solution
The fourth proportional to 11,612,067.53, 16,025,114.91 and 6,385,504.19 is: 8,812,249.68
Step by Step Solution
- Step 1: Write the proportion equation
11,612,067.53 : 16,025,114.91 = 6,385,504.19 : x - Step 2: Convert to fraction form
11,612,067.53/16,025,114.91 = 6,385,504.19/x - Step 3: Cross multiply
11,612,067.53x = 16,025,114.91 × 6,385,504.19 - Step 4: Simplify right side
11,612,067.53x = 102,328,438,378,544.83 - Step 5: Solve for x
x = 102,328,438,378,544.83/11,612,067.53 - Step 6: Final answer
x = 8,812,249.68
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1.5x scale
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.