Finding the Fourth Proportional to 7,457,497.80, 11,186,246.70 and 3,678,361.80
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Solution
The fourth proportional to 7,457,497.80, 11,186,246.70 and 3,678,361.80 is: 5,517,542.70
Step by Step Solution
- Step 1: Write the proportion equation
7,457,497.80 : 11,186,246.70 = 3,678,361.80 : x - Step 2: Convert to fraction form
7,457,497.80/11,186,246.70 = 3,678,361.80/x - Step 3: Cross multiply
7,457,497.80x = 11,186,246.70 × 3,678,361.80 - Step 4: Simplify right side
7,457,497.80x = 41,147,062,546,656.05 - Step 5: Solve for x
x = 41,147,062,546,656.05/7,457,497.80 - Step 6: Final answer
x = 5,517,542.70
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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.