Finding the Fourth Proportional to 10,672,112.35, 14,727,511.92 and 5,777,330.81
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Solution
The fourth proportional to 10,672,112.35, 14,727,511.92 and 5,777,330.81 is: 7,972,714.83
Step by Step Solution
- Step 1: Write the proportion equation
10,672,112.35 : 14,727,511.92 = 5,777,330.81 : x - Step 2: Convert to fraction form
10,672,112.35/14,727,511.92 = 5,777,330.81/x - Step 3: Cross multiply
10,672,112.35x = 14,727,511.92 × 5,777,330.81 - Step 4: Simplify right side
10,672,112.35x = 85,085,708,370,058.25 - Step 5: Solve for x
x = 85,085,708,370,058.25/10,672,112.35 - Step 6: Final answer
x = 7,972,714.83
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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.