Finding the Fourth Proportional to 7,347,621.82, 11,021,467.94 and 2,230,096.14
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Solution
The fourth proportional to 7,347,621.82, 11,021,467.94 and 2,230,096.14 is: 3,345,154.90
Step by Step Solution
- Step 1: Write the proportion equation
7,347,621.82 : 11,021,467.94 = 2,230,096.14 : x - Step 2: Convert to fraction form
7,347,621.82/11,021,467.94 = 2,230,096.14/x - Step 3: Cross multiply
7,347,621.82x = 11,021,467.94 × 2,230,096.14 - Step 4: Simplify right side
7,347,621.82x = 24,578,933,110,127.75 - Step 5: Solve for x
x = 24,578,933,110,127.75/7,347,621.82 - Step 6: Final answer
x = 3,345,154.90
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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.