Finding the Fourth Proportional to 11,071,706.68, 15,278,964.74 and 6,176,929.72
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Solution
The fourth proportional to 11,071,706.68, 15,278,964.74 and 6,176,929.72 is: 8,524,168.33
Step by Step Solution
- Step 1: Write the proportion equation
11,071,706.68 : 15,278,964.74 = 6,176,929.72 : x - Step 2: Convert to fraction form
11,071,706.68/15,278,964.74 = 6,176,929.72/x - Step 3: Cross multiply
11,071,706.68x = 15,278,964.74 × 6,176,929.72 - Step 4: Simplify right side
11,071,706.68x = 94,377,091,393,338.06 - Step 5: Solve for x
x = 94,377,091,393,338.06/11,071,706.68 - Step 6: Final answer
x = 8,524,168.33
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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.