Finding the Fourth Proportional to 7,164,706.82, 9,887,034.36 and 3,901,449.96
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Solution
The fourth proportional to 7,164,706.82, 9,887,034.36 and 3,901,449.96 is: 5,383,858.80
Step by Step Solution
- Step 1: Write the proportion equation
7,164,706.82 : 9,887,034.36 = 3,901,449.96 : x - Step 2: Convert to fraction form
7,164,706.82/9,887,034.36 = 3,901,449.96/x - Step 3: Cross multiply
7,164,706.82x = 9,887,034.36 × 3,901,449.96 - Step 4: Simplify right side
7,164,706.82x = 38,573,769,808,340.62 - Step 5: Solve for x
x = 38,573,769,808,340.62/7,164,706.82 - Step 6: Final answer
x = 5,383,858.80
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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.