Finding the Fourth Proportional to 12,760,193.68, 17,606,040.60 and 7,253,135.05
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Solution
The fourth proportional to 12,760,193.68, 17,606,040.60 and 7,253,135.05 is: 10,007,605.95
Step by Step Solution
- Step 1: Write the proportion equation
12,760,193.68 : 17,606,040.60 = 7,253,135.05 : x - Step 2: Convert to fraction form
12,760,193.68/17,606,040.60 = 7,253,135.05/x - Step 3: Cross multiply
12,760,193.68x = 17,606,040.60 × 7,253,135.05 - Step 4: Simplify right side
12,760,193.68x = 127,698,990,167,583.03 - Step 5: Solve for x
x = 127,698,990,167,583.03/12,760,193.68 - Step 6: Final answer
x = 10,007,605.95
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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.