Finding the Fourth Proportional to 7,518,546.81, 10,375,317 and 4,080,714.03
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Solution
The fourth proportional to 7,518,546.81, 10,375,317 and 4,080,714.03 is: 5,631,234.69
Step by Step Solution
- Step 1: Write the proportion equation
7,518,546.81 : 10,375,317 = 4,080,714.03 : x - Step 2: Convert to fraction form
7,518,546.81/10,375,317 = 4,080,714.03/x - Step 3: Cross multiply
7,518,546.81x = 10,375,317 × 4,080,714.03 - Step 4: Simplify right side
7,518,546.81x = 42,338,701,647,597.51 - Step 5: Solve for x
x = 42,338,701,647,597.51/7,518,546.81 - Step 6: Final answer
x = 5,631,234.69
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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.