Finding the Fourth Proportional to 11,345,198.43, 15,656,473.76 and 6,188,582.91
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Solution
The fourth proportional to 11,345,198.43, 15,656,473.76 and 6,188,582.91 is: 8,540,298.92
Step by Step Solution
- Step 1: Write the proportion equation
11,345,198.43 : 15,656,473.76 = 6,188,582.91 : x - Step 2: Convert to fraction form
11,345,198.43/15,656,473.76 = 6,188,582.91/x - Step 3: Cross multiply
11,345,198.43x = 15,656,473.76 × 6,188,582.91 - Step 4: Simplify right side
11,345,198.43x = 96,891,385,911,056.53 - Step 5: Solve for x
x = 96,891,385,911,056.53/11,345,198.43 - Step 6: Final answer
x = 8,540,298.92
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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.