Finding the Fourth Proportional to 7,043,572.35, 9,715,613.31 and 4,837,370.49
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Solution
The fourth proportional to 7,043,572.35, 9,715,613.31 and 4,837,370.49 is: 6,672,469.42
Step by Step Solution
- Step 1: Write the proportion equation
7,043,572.35 : 9,715,613.31 = 4,837,370.49 : x - Step 2: Convert to fraction form
7,043,572.35/9,715,613.31 = 4,837,370.49/x - Step 3: Cross multiply
7,043,572.35x = 9,715,613.31 × 4,837,370.49 - Step 4: Simplify right side
7,043,572.35x = 46,998,021,118,045.23 - Step 5: Solve for x
x = 46,998,021,118,045.23/7,043,572.35 - Step 6: Final answer
x = 6,672,469.42
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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.