Finding the Fourth Proportional to 18,076,976.60, 24,953,861.99 and 12,204,566.19
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Solution
The fourth proportional to 18,076,976.60, 24,953,861.99 and 12,204,566.19 is: 16,847,455.59
Step by Step Solution
- Step 1: Write the proportion equation
18,076,976.60 : 24,953,861.99 = 12,204,566.19 : x - Step 2: Convert to fraction form
18,076,976.60/24,953,861.99 = 12,204,566.19/x - Step 3: Cross multiply
18,076,976.60x = 24,953,861.99 × 12,204,566.19 - Step 4: Simplify right side
18,076,976.60x = 304,551,060,383,591.50 - Step 5: Solve for x
x = 304,551,060,383,591.50/18,076,976.60 - Step 6: Final answer
x = 16,847,455.59
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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.