Finding the Fourth Proportional to 11,026,635.92, 15,214,527.69 and 6,442,071.56
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Solution
The fourth proportional to 11,026,635.92, 15,214,527.69 and 6,442,071.56 is: 8,888,755.99
Step by Step Solution
- Step 1: Write the proportion equation
11,026,635.92 : 15,214,527.69 = 6,442,071.56 : x - Step 2: Convert to fraction form
11,026,635.92/15,214,527.69 = 6,442,071.56/x - Step 3: Cross multiply
11,026,635.92x = 15,214,527.69 × 6,442,071.56 - Step 4: Simplify right side
11,026,635.92x = 98,013,076,054,508.84 - Step 5: Solve for x
x = 98,013,076,054,508.84/11,026,635.92 - Step 6: Final answer
x = 8,888,755.99
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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.