Finding the Fourth Proportional to 11,816,436.48, 16,306,661.76 and 6,383,911.68
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Solution
The fourth proportional to 11,816,436.48, 16,306,661.76 and 6,383,911.68 is: 8,809,787.00
Step by Step Solution
- Step 1: Write the proportion equation
11,816,436.48 : 16,306,661.76 = 6,383,911.68 : x - Step 2: Convert to fraction form
11,816,436.48/16,306,661.76 = 6,383,911.68/x - Step 3: Cross multiply
11,816,436.48x = 16,306,661.76 × 6,383,911.68 - Step 4: Simplify right side
11,816,436.48x = 104,100,288,471,473.34 - Step 5: Solve for x
x = 104,100,288,471,473.34/11,816,436.48 - Step 6: Final answer
x = 8,809,787.00
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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.