Finding the Fourth Proportional to 11,551,047.76, 15,940,571.88 and 6,394,495.42
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Solution
The fourth proportional to 11,551,047.76, 15,940,571.88 and 6,394,495.42 is: 8,824,473.42
Step by Step Solution
- Step 1: Write the proportion equation
11,551,047.76 : 15,940,571.88 = 6,394,495.42 : x - Step 2: Convert to fraction form
11,551,047.76/15,940,571.88 = 6,394,495.42/x - Step 3: Cross multiply
11,551,047.76x = 15,940,571.88 × 6,394,495.42 - Step 4: Simplify right side
11,551,047.76x = 101,931,913,878,840.80 - Step 5: Solve for x
x = 101,931,913,878,840.80/11,551,047.76 - Step 6: Final answer
x = 8,824,473.42
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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.