Finding the Fourth Proportional to 11,481,258.16, 15,844,175.40 and 6,324,607.41
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Solution
The fourth proportional to 11,481,258.16, 15,844,175.40 and 6,324,607.41 is: 8,727,979.79
Step by Step Solution
- Step 1: Write the proportion equation
11,481,258.16 : 15,844,175.40 = 6,324,607.41 : x - Step 2: Convert to fraction form
11,481,258.16/15,844,175.40 = 6,324,607.41/x - Step 3: Cross multiply
11,481,258.16x = 15,844,175.40 × 6,324,607.41 - Step 4: Simplify right side
11,481,258.16x = 100,208,189,140,179.72 - Step 5: Solve for x
x = 100,208,189,140,179.72/11,481,258.16 - Step 6: Final answer
x = 8,727,979.79
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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.