Finding the Fourth Proportional to 18,291,302.88, 27,436,939.84 and 5,511,807.68
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Solution
The fourth proportional to 18,291,302.88, 27,436,939.84 and 5,511,807.68 is: 8,267,707.16
Step by Step Solution
- Step 1: Write the proportion equation
18,291,302.88 : 27,436,939.84 = 5,511,807.68 : x - Step 2: Convert to fraction form
18,291,302.88/27,436,939.84 = 5,511,807.68/x - Step 3: Cross multiply
18,291,302.88x = 27,436,939.84 × 5,511,807.68 - Step 4: Simplify right side
18,291,302.88x = 151,227,135,725,809.97 - Step 5: Solve for x
x = 151,227,135,725,809.97/18,291,302.88 - Step 6: Final answer
x = 8,267,707.16
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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.