Finding the Fourth Proportional to 11,088,713.68, 16,623,352.40 and 5,328,578.32
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Solution
The fourth proportional to 11,088,713.68, 16,623,352.40 and 5,328,578.32 is: 7,988,197.53
Step by Step Solution
- Step 1: Write the proportion equation
11,088,713.68 : 16,623,352.40 = 5,328,578.32 : x - Step 2: Convert to fraction form
11,088,713.68/16,623,352.40 = 5,328,578.32/x - Step 3: Cross multiply
11,088,713.68x = 16,623,352.40 × 5,328,578.32 - Step 4: Simplify right side
11,088,713.68x = 88,578,835,204,359.97 - Step 5: Solve for x
x = 88,578,835,204,359.97/11,088,713.68 - Step 6: Final answer
x = 7,988,197.53
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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.