Finding the Fourth Proportional to 18,266,520.50, 25,207,724.11 and 10,006,571.08
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Solution
The fourth proportional to 18,266,520.50, 25,207,724.11 and 10,006,571.08 is: 13,809,027.45
Step by Step Solution
- Step 1: Write the proportion equation
18,266,520.50 : 25,207,724.11 = 10,006,571.08 : x - Step 2: Convert to fraction form
18,266,520.50/25,207,724.11 = 10,006,571.08/x - Step 3: Cross multiply
18,266,520.50x = 25,207,724.11 × 10,006,571.08 - Step 4: Simplify right side
18,266,520.50x = 252,242,882,976,604.88 - Step 5: Solve for x
x = 252,242,882,976,604.88/18,266,520.50 - Step 6: Final answer
x = 13,809,027.45
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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.