Finding the Fourth Proportional to 8,235,286.34, 11,358,068.51 and 7,239,725.48
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Solution
The fourth proportional to 8,235,286.34, 11,358,068.51 and 7,239,725.48 is: 9,984,995.62
Step by Step Solution
- Step 1: Write the proportion equation
8,235,286.34 : 11,358,068.51 = 7,239,725.48 : x - Step 2: Convert to fraction form
8,235,286.34/11,358,068.51 = 7,239,725.48/x - Step 3: Cross multiply
8,235,286.34x = 11,358,068.51 × 7,239,725.48 - Step 4: Simplify right side
8,235,286.34x = 82,229,297,987,629.19 - Step 5: Solve for x
x = 82,229,297,987,629.19/8,235,286.34 - Step 6: Final answer
x = 9,984,995.62
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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.