Finding the Fourth Proportional to 16,531,214.40, 24,796,821.60 and 11,960,821.80
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Solution
The fourth proportional to 16,531,214.40, 24,796,821.60 and 11,960,821.80 is: 17,941,232.70
Step by Step Solution
- Step 1: Write the proportion equation
16,531,214.40 : 24,796,821.60 = 11,960,821.80 : x - Step 2: Convert to fraction form
16,531,214.40/24,796,821.60 = 11,960,821.80/x - Step 3: Cross multiply
16,531,214.40x = 24,796,821.60 × 11,960,821.80 - Step 4: Simplify right side
16,531,214.40x = 296,590,364,363,990.94 - Step 5: Solve for x
x = 296,590,364,363,990.94/16,531,214.40 - Step 6: Final answer
x = 17,941,232.70
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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.