Finding the Fourth Proportional to 7,964,379.18, 11,946,534.57 and 2,207,096.28
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Solution
The fourth proportional to 7,964,379.18, 11,946,534.57 and 2,207,096.28 is: 3,310,634.94
Step by Step Solution
- Step 1: Write the proportion equation
7,964,379.18 : 11,946,534.57 = 2,207,096.28 : x - Step 2: Convert to fraction form
7,964,379.18/11,946,534.57 = 2,207,096.28/x - Step 3: Cross multiply
7,964,379.18x = 11,946,534.57 × 2,207,096.28 - Step 4: Simplify right side
7,964,379.18x = 26,367,152,008,338.40 - Step 5: Solve for x
x = 26,367,152,008,338.40/7,964,379.18 - Step 6: Final answer
x = 3,310,634.94
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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.