Finding the Fourth Proportional to 10,160,625.62, 14,021,768.25 and 5,514,450.84
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Solution
The fourth proportional to 10,160,625.62, 14,021,768.25 and 5,514,450.84 is: 7,609,999.09
Step by Step Solution
- Step 1: Write the proportion equation
10,160,625.62 : 14,021,768.25 = 5,514,450.84 : x - Step 2: Convert to fraction form
10,160,625.62/14,021,768.25 = 5,514,450.84/x - Step 3: Cross multiply
10,160,625.62x = 14,021,768.25 × 5,514,450.84 - Step 4: Simplify right side
10,160,625.62x = 77,322,351,704,497.83 - Step 5: Solve for x
x = 77,322,351,704,497.83/10,160,625.62 - Step 6: Final answer
x = 7,609,999.09
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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.