Finding the Fourth Proportional to 19,847,750.82, 27,390,559.26 and 11,147,456.58
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Solution
The fourth proportional to 19,847,750.82, 27,390,559.26 and 11,147,456.58 is: 15,383,862.53
Step by Step Solution
- Step 1: Write the proportion equation
19,847,750.82 : 27,390,559.26 = 11,147,456.58 : x - Step 2: Convert to fraction form
19,847,750.82/27,390,559.26 = 11,147,456.58/x - Step 3: Cross multiply
19,847,750.82x = 27,390,559.26 × 11,147,456.58 - Step 4: Simplify right side
19,847,750.82x = 305,335,070,052,766.94 - Step 5: Solve for x
x = 305,335,070,052,766.94/19,847,750.82 - Step 6: Final answer
x = 15,383,862.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.