Finding the Fourth Proportional to 36,530,160.81, 54,788,390.64 and 18,329,469.09
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Solution
The fourth proportional to 36,530,160.81, 54,788,390.64 and 18,329,469.09 is: 27,490,766.27
Step by Step Solution
- Step 1: Write the proportion equation
36,530,160.81 : 54,788,390.64 = 18,329,469.09 : x - Step 2: Convert to fraction form
36,530,160.81/54,788,390.64 = 18,329,469.09/x - Step 3: Cross multiply
36,530,160.81x = 54,788,390.64 × 18,329,469.09 - Step 4: Simplify right side
36,530,160.81x = 1,004,242,112,726,725.38 - Step 5: Solve for x
x = 1,004,242,112,726,725.38/36,530,160.81 - Step 6: Final answer
x = 27,490,766.27
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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.