Finding the Fourth Proportional to 7,290,397.68, 10,060,842.24 and 4,027,199.28
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Solution
The fourth proportional to 7,290,397.68, 10,060,842.24 and 4,027,199.28 is: 5,557,586.62
Step by Step Solution
- Step 1: Write the proportion equation
7,290,397.68 : 10,060,842.24 = 4,027,199.28 : x - Step 2: Convert to fraction form
7,290,397.68/10,060,842.24 = 4,027,199.28/x - Step 3: Cross multiply
7,290,397.68x = 10,060,842.24 × 4,027,199.28 - Step 4: Simplify right side
7,290,397.68x = 40,517,016,625,121.59 - Step 5: Solve for x
x = 40,517,016,625,121.59/7,290,397.68 - Step 6: Final answer
x = 5,557,586.62
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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.