Finding the Fourth Proportional to 11,588,372.08, 15,992,761.76 and 7,661,305.27
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Solution
The fourth proportional to 11,588,372.08, 15,992,761.76 and 7,661,305.27 is: 10,573,135.65
Step by Step Solution
- Step 1: Write the proportion equation
11,588,372.08 : 15,992,761.76 = 7,661,305.27 : x - Step 2: Convert to fraction form
11,588,372.08/15,992,761.76 = 7,661,305.27/x - Step 3: Cross multiply
11,588,372.08x = 15,992,761.76 × 7,661,305.27 - Step 4: Simplify right side
11,588,372.08x = 122,525,429,932,913.83 - Step 5: Solve for x
x = 122,525,429,932,913.83/11,588,372.08 - Step 6: Final answer
x = 10,573,135.65
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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.