Finding the Fourth Proportional to 9,982,375.76, 13,775,687.75 and 5,398,697.14
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Solution
The fourth proportional to 9,982,375.76, 13,775,687.75 and 5,398,697.14 is: 7,450,207.03
Step by Step Solution
- Step 1: Write the proportion equation
9,982,375.76 : 13,775,687.75 = 5,398,697.14 : x - Step 2: Convert to fraction form
9,982,375.76/13,775,687.75 = 5,398,697.14/x - Step 3: Cross multiply
9,982,375.76x = 13,775,687.75 × 5,398,697.14 - Step 4: Simplify right side
9,982,375.76x = 74,370,766,057,458.03 - Step 5: Solve for x
x = 74,370,766,057,458.03/9,982,375.76 - Step 6: Final answer
x = 7,450,207.03
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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.