Finding the Fourth Proportional to 7,136,528.76, 9,848,418.92 and 3,873,343.14
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Solution
The fourth proportional to 7,136,528.76, 9,848,418.92 and 3,873,343.14 is: 5,345,218.54
Step by Step Solution
- Step 1: Write the proportion equation
7,136,528.76 : 9,848,418.92 = 3,873,343.14 : x - Step 2: Convert to fraction form
7,136,528.76/9,848,418.92 = 3,873,343.14/x - Step 3: Cross multiply
7,136,528.76x = 9,848,418.92 × 3,873,343.14 - Step 4: Simplify right side
7,136,528.76x = 38,146,305,863,628.21 - Step 5: Solve for x
x = 38,146,305,863,628.21/7,136,528.76 - Step 6: Final answer
x = 5,345,218.54
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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.