Finding the Fourth Proportional to 18,452,360.72, 27,678,657.72 and 12,102,945.68
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Solution
The fourth proportional to 18,452,360.72, 27,678,657.72 and 12,102,945.68 is: 18,154,495.02
Step by Step Solution
- Step 1: Write the proportion equation
18,452,360.72 : 27,678,657.72 = 12,102,945.68 : x - Step 2: Convert to fraction form
18,452,360.72/27,678,657.72 = 12,102,945.68/x - Step 3: Cross multiply
18,452,360.72x = 27,678,657.72 × 12,102,945.68 - Step 4: Simplify right side
18,452,360.72x = 334,993,290,880,472.62 - Step 5: Solve for x
x = 334,993,290,880,472.62/18,452,360.72 - Step 6: Final answer
x = 18,154,495.02
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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.