Finding the Fourth Proportional to 7,373,479.72, 11,057,827.68 and 2,824,286.44
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Solution
The fourth proportional to 7,373,479.72, 11,057,827.68 and 2,824,286.44 is: 4,235,513.48
Step by Step Solution
- Step 1: Write the proportion equation
7,373,479.72 : 11,057,827.68 = 2,824,286.44 : x - Step 2: Convert to fraction form
7,373,479.72/11,057,827.68 = 2,824,286.44/x - Step 3: Cross multiply
7,373,479.72x = 11,057,827.68 × 2,824,286.44 - Step 4: Simplify right side
7,373,479.72x = 31,230,472,772,480.66 - Step 5: Solve for x
x = 31,230,472,772,480.66/7,373,479.72 - Step 6: Final answer
x = 4,235,513.48
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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.