Finding the Fourth Proportional to 11,970,912.81, 17,958,891.09 and 3,883,256.94
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Solution
The fourth proportional to 11,970,912.81, 17,958,891.09 and 3,883,256.94 is: 5,825,703.48
Step by Step Solution
- Step 1: Write the proportion equation
11,970,912.81 : 17,958,891.09 = 3,883,256.94 : x - Step 2: Convert to fraction form
11,970,912.81/17,958,891.09 = 3,883,256.94/x - Step 3: Cross multiply
11,970,912.81x = 17,958,891.09 × 3,883,256.94 - Step 4: Simplify right side
11,970,912.81x = 69,738,988,459,946.66 - Step 5: Solve for x
x = 69,738,988,459,946.66/11,970,912.81 - Step 6: Final answer
x = 5,825,703.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.