Finding the Fourth Proportional to 11,813,968.14, 16,306,880.36 and 6,853,662.60
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Solution
The fourth proportional to 11,813,968.14, 16,306,880.36 and 6,853,662.60 is: 9,460,145.37
Step by Step Solution
- Step 1: Write the proportion equation
11,813,968.14 : 16,306,880.36 = 6,853,662.60 : x - Step 2: Convert to fraction form
11,813,968.14/16,306,880.36 = 6,853,662.60/x - Step 3: Cross multiply
11,813,968.14x = 16,306,880.36 × 6,853,662.60 - Step 4: Simplify right side
11,813,968.14x = 111,761,856,011,738.22 - Step 5: Solve for x
x = 111,761,856,011,738.22/11,813,968.14 - Step 6: Final answer
x = 9,460,145.37
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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.