Finding the Fourth Proportional to 18,076,974.35, 24,953,858.88 and 12,204,563.94
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Solution
The fourth proportional to 18,076,974.35, 24,953,858.88 and 12,204,563.94 is: 16,847,452.48
Step by Step Solution
- Step 1: Write the proportion equation
18,076,974.35 : 24,953,858.88 = 12,204,563.94 : x - Step 2: Convert to fraction form
18,076,974.35/24,953,858.88 = 12,204,563.94/x - Step 3: Cross multiply
18,076,974.35x = 24,953,858.88 × 12,204,563.94 - Step 4: Simplify right side
18,076,974.35x = 304,550,966,231,447.25 - Step 5: Solve for x
x = 304,550,966,231,447.25/18,076,974.35 - Step 6: Final answer
x = 16,847,452.48
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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.