Finding the Fourth Proportional to 21,561,243.88, 29,754,362.52 and 11,771,687.80
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Solution
The fourth proportional to 21,561,243.88, 29,754,362.52 and 11,771,687.80 is: 16,244,845.07
Step by Step Solution
- Step 1: Write the proportion equation
21,561,243.88 : 29,754,362.52 = 11,771,687.80 : x - Step 2: Convert to fraction form
21,561,243.88/29,754,362.52 = 11,771,687.80/x - Step 3: Cross multiply
21,561,243.88x = 29,754,362.52 × 11,771,687.80 - Step 4: Simplify right side
21,561,243.88x = 350,259,066,273,461.25 - Step 5: Solve for x
x = 350,259,066,273,461.25/21,561,243.88 - Step 6: Final answer
x = 16,244,845.07
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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.