Finding the Fourth Proportional to 11,866,859.68, 16,375,578.96 and 6,711,302.56
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Solution
The fourth proportional to 11,866,859.68, 16,375,578.96 and 6,711,302.56 is: 9,261,208.77
Step by Step Solution
- Step 1: Write the proportion equation
11,866,859.68 : 16,375,578.96 = 6,711,302.56 : x - Step 2: Convert to fraction form
11,866,859.68/16,375,578.96 = 6,711,302.56/x - Step 3: Cross multiply
11,866,859.68x = 16,375,578.96 × 6,711,302.56 - Step 4: Simplify right side
11,866,859.68x = 109,901,464,995,730.14 - Step 5: Solve for x
x = 109,901,464,995,730.14/11,866,859.68 - Step 6: Final answer
x = 9,261,208.77
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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.