Finding the Fourth Proportional to 27,754,821.05, 41,656,146.42 and 19,241,136.23
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Solution
The fourth proportional to 27,754,821.05, 41,656,146.42 and 19,241,136.23 is: 28,878,283.40
Step by Step Solution
- Step 1: Write the proportion equation
27,754,821.05 : 41,656,146.42 = 19,241,136.23 : x - Step 2: Convert to fraction form
27,754,821.05/41,656,146.42 = 19,241,136.23/x - Step 3: Cross multiply
27,754,821.05x = 41,656,146.42 × 19,241,136.23 - Step 4: Simplify right side
27,754,821.05x = 801,511,588,074,004.88 - Step 5: Solve for x
x = 801,511,588,074,004.88/27,754,821.05 - Step 6: Final answer
x = 28,878,283.40
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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.