Finding the Fourth Proportional to 11,287,478, 15,576,924.84 and 6,393,716.16
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Solution
The fourth proportional to 11,287,478, 15,576,924.84 and 6,393,716.16 is: 8,823,444.53
Step by Step Solution
- Step 1: Write the proportion equation
11,287,478 : 15,576,924.84 = 6,393,716.16 : x - Step 2: Convert to fraction form
11,287,478/15,576,924.84 = 6,393,716.16/x - Step 3: Cross multiply
11,287,478x = 15,576,924.84 × 6,393,716.16 - Step 4: Simplify right side
11,287,478x = 99,594,436,072,613.42 - Step 5: Solve for x
x = 99,594,436,072,613.42/11,287,478 - Step 6: Final answer
x = 8,823,444.53
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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.