Finding the Fourth Proportional to 17,761,939.75, 24,511,681.29 and 10,419,897.79
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Solution
The fourth proportional to 17,761,939.75, 24,511,681.29 and 10,419,897.79 is: 14,379,578.88
Step by Step Solution
- Step 1: Write the proportion equation
17,761,939.75 : 24,511,681.29 = 10,419,897.79 : x - Step 2: Convert to fraction form
17,761,939.75/24,511,681.29 = 10,419,897.79/x - Step 3: Cross multiply
17,761,939.75x = 24,511,681.29 × 10,419,897.79 - Step 4: Simplify right side
17,761,939.75x = 255,409,213,702,855.31 - Step 5: Solve for x
x = 255,409,213,702,855.31/17,761,939.75 - Step 6: Final answer
x = 14,379,578.88
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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.