Finding the Fourth Proportional to 7,450,869.46, 11,166,954.74 and 3,186,022.62
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Solution
The fourth proportional to 7,450,869.46, 11,166,954.74 and 3,186,022.62 is: 4,775,036.07
Step by Step Solution
- Step 1: Write the proportion equation
7,450,869.46 : 11,166,954.74 = 3,186,022.62 : x - Step 2: Convert to fraction form
7,450,869.46/11,166,954.74 = 3,186,022.62/x - Step 3: Cross multiply
7,450,869.46x = 11,166,954.74 × 3,186,022.62 - Step 4: Simplify right side
7,450,869.46x = 35,578,170,398,156.22 - Step 5: Solve for x
x = 35,578,170,398,156.22/7,450,869.46 - Step 6: Final answer
x = 4,775,036.07
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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.