Finding the Fourth Proportional to 19,764,347.44, 27,274,531.80 and 11,062,517.44
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Solution
The fourth proportional to 19,764,347.44, 27,274,531.80 and 11,062,517.44 is: 15,266,124.25
Step by Step Solution
- Step 1: Write the proportion equation
19,764,347.44 : 27,274,531.80 = 11,062,517.44 : x - Step 2: Convert to fraction form
19,764,347.44/27,274,531.80 = 11,062,517.44/x - Step 3: Cross multiply
19,764,347.44x = 27,274,531.80 × 11,062,517.44 - Step 4: Simplify right side
19,764,347.44x = 301,724,983,705,334.56 - Step 5: Solve for x
x = 301,724,983,705,334.56/19,764,347.44 - Step 6: Final answer
x = 15,266,124.25
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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.