Finding the Fourth Proportional to 11,071,705.68, 15,278,963.36 and 6,176,928.72
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Solution
The fourth proportional to 11,071,705.68, 15,278,963.36 and 6,176,928.72 is: 8,524,166.95
Step by Step Solution
- Step 1: Write the proportion equation
11,071,705.68 : 15,278,963.36 = 6,176,928.72 : x - Step 2: Convert to fraction form
11,071,705.68/15,278,963.36 = 6,176,928.72/x - Step 3: Cross multiply
11,071,705.68x = 15,278,963.36 × 6,176,928.72 - Step 4: Simplify right side
11,071,705.68x = 94,377,067,590,211.69 - Step 5: Solve for x
x = 94,377,067,590,211.69/11,071,705.68 - Step 6: Final answer
x = 8,524,166.95
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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.