Finding the Fourth Proportional to 32,993,808.20, 45,531,950.67 and 18,310,425.74
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Solution
The fourth proportional to 32,993,808.20, 45,531,950.67 and 18,310,425.74 is: 25,268,662.43
Step by Step Solution
- Step 1: Write the proportion equation
32,993,808.20 : 45,531,950.67 = 18,310,425.74 : x - Step 2: Convert to fraction form
32,993,808.20/45,531,950.67 = 18,310,425.74/x - Step 3: Cross multiply
32,993,808.20x = 45,531,950.67 × 18,310,425.74 - Step 4: Simplify right side
32,993,808.20x = 833,709,401,540,378.25 - Step 5: Solve for x
x = 833,709,401,540,378.25/32,993,808.20 - Step 6: Final answer
x = 25,268,662.43
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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.