Finding the Fourth Proportional to 7,450,876.62, 11,166,965.46 and 3,186,029.70
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Solution
The fourth proportional to 7,450,876.62, 11,166,965.46 and 3,186,029.70 is: 4,775,046.67
Step by Step Solution
- Step 1: Write the proportion equation
7,450,876.62 : 11,166,965.46 = 3,186,029.70 : x - Step 2: Convert to fraction form
7,450,876.62/11,166,965.46 = 3,186,029.70/x - Step 3: Cross multiply
7,450,876.62x = 11,166,965.46 × 3,186,029.70 - Step 4: Simplify right side
7,450,876.62x = 35,578,283,614,434.16 - Step 5: Solve for x
x = 35,578,283,614,434.16/7,450,876.62 - Step 6: Final answer
x = 4,775,046.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.