Finding the Fourth Proportional to 16,561,081.80, 24,841,622.70 and 13,106,715.30
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Solution
The fourth proportional to 16,561,081.80, 24,841,622.70 and 13,106,715.30 is: 19,660,072.95
Step by Step Solution
- Step 1: Write the proportion equation
16,561,081.80 : 24,841,622.70 = 13,106,715.30 : x - Step 2: Convert to fraction form
16,561,081.80/24,841,622.70 = 13,106,715.30/x - Step 3: Cross multiply
16,561,081.80x = 24,841,622.70 × 13,106,715.30 - Step 4: Simplify right side
16,561,081.80x = 325,592,076,318,917.31 - Step 5: Solve for x
x = 325,592,076,318,917.31/16,561,081.80 - Step 6: Final answer
x = 19,660,072.95
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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.