Finding the Fourth Proportional to 11,088,704.64, 16,623,338.94 and 5,328,569.28
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Solution
The fourth proportional to 11,088,704.64, 16,623,338.94 and 5,328,569.28 is: 7,988,184.02
Step by Step Solution
- Step 1: Write the proportion equation
11,088,704.64 : 16,623,338.94 = 5,328,569.28 : x - Step 2: Convert to fraction form
11,088,704.64/16,623,338.94 = 5,328,569.28/x - Step 3: Cross multiply
11,088,704.64x = 16,623,338.94 × 5,328,569.28 - Step 4: Simplify right side
11,088,704.64x = 88,578,613,206,711.77 - Step 5: Solve for x
x = 88,578,613,206,711.77/11,088,704.64 - Step 6: Final answer
x = 7,988,184.02
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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.