Finding the Fourth Proportional to 6,680,912.13, 10,028,454.79 and 5,917,366.53
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Solution
The fourth proportional to 6,680,912.13, 10,028,454.79 and 5,917,366.53 is: 8,882,326.48
Step by Step Solution
- Step 1: Write the proportion equation
6,680,912.13 : 10,028,454.79 = 5,917,366.53 : x - Step 2: Convert to fraction form
6,680,912.13/10,028,454.79 = 5,917,366.53/x - Step 3: Cross multiply
6,680,912.13x = 10,028,454.79 × 5,917,366.53 - Step 4: Simplify right side
6,680,912.13x = 59,342,042,717,448.48 - Step 5: Solve for x
x = 59,342,042,717,448.48/6,680,912.13 - Step 6: Final answer
x = 8,882,326.48
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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.