Finding the Fourth Proportional to 8,194,888.09, 12,289,446.43 and 2,728,498.42
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Solution
The fourth proportional to 8,194,888.09, 12,289,446.43 and 2,728,498.42 is: 4,091,786.83
Step by Step Solution
- Step 1: Write the proportion equation
8,194,888.09 : 12,289,446.43 = 2,728,498.42 : x - Step 2: Convert to fraction form
8,194,888.09/12,289,446.43 = 2,728,498.42/x - Step 3: Cross multiply
8,194,888.09x = 12,289,446.43 × 2,728,498.42 - Step 4: Simplify right side
8,194,888.09x = 33,531,735,166,929.64 - Step 5: Solve for x
x = 33,531,735,166,929.64/8,194,888.09 - Step 6: Final answer
x = 4,091,786.83
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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.