Finding the Fourth Proportional to 7,793,629.66, 10,748,220.33 and 6,491,205.82
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Solution
The fourth proportional to 7,793,629.66, 10,748,220.33 and 6,491,205.82 is: 8,952,043.32
Step by Step Solution
- Step 1: Write the proportion equation
7,793,629.66 : 10,748,220.33 = 6,491,205.82 : x - Step 2: Convert to fraction form
7,793,629.66/10,748,220.33 = 6,491,205.82/x - Step 3: Cross multiply
7,793,629.66x = 10,748,220.33 × 6,491,205.82 - Step 4: Simplify right side
7,793,629.66x = 69,768,910,360,738.33 - Step 5: Solve for x
x = 69,768,910,360,738.33/7,793,629.66 - Step 6: Final answer
x = 8,952,043.32
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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.