Finding the Fourth Proportional to 8,981,553.80, 13,472,330.70 and 2,592,014.60
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Solution
The fourth proportional to 8,981,553.80, 13,472,330.70 and 2,592,014.60 is: 3,888,021.90
Step by Step Solution
- Step 1: Write the proportion equation
8,981,553.80 : 13,472,330.70 = 2,592,014.60 : x - Step 2: Convert to fraction form
8,981,553.80/13,472,330.70 = 2,592,014.60/x - Step 3: Cross multiply
8,981,553.80x = 13,472,330.70 × 2,592,014.60 - Step 4: Simplify right side
8,981,553.80x = 34,920,477,870,428.22 - Step 5: Solve for x
x = 34,920,477,870,428.22/8,981,553.80 - Step 6: Final answer
x = 3,888,021.90
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Double scale
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1.5x scale
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.