Finding the Fourth Proportional to 23,511,687.11, 32,450,901.64 and 13,588,991.30
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Solution
The fourth proportional to 23,511,687.11, 32,450,901.64 and 13,588,991.30 is: 18,755,566.87
Step by Step Solution
- Step 1: Write the proportion equation
23,511,687.11 : 32,450,901.64 = 13,588,991.30 : x - Step 2: Convert to fraction form
23,511,687.11/32,450,901.64 = 13,588,991.30/x - Step 3: Cross multiply
23,511,687.11x = 32,450,901.64 × 13,588,991.30 - Step 4: Simplify right side
23,511,687.11x = 440,975,019,866,888.75 - Step 5: Solve for x
x = 440,975,019,866,888.75/23,511,687.11 - Step 6: Final answer
x = 18,755,566.87
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1.5x scale
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.