Finding the Fourth Proportional to 27,754,823.05, 41,656,149.42 and 19,241,138.23
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Solution
The fourth proportional to 27,754,823.05, 41,656,149.42 and 19,241,138.23 is: 28,878,286.40
Step by Step Solution
- Step 1: Write the proportion equation
27,754,823.05 : 41,656,149.42 = 19,241,138.23 : x - Step 2: Convert to fraction form
27,754,823.05/41,656,149.42 = 19,241,138.23/x - Step 3: Cross multiply
27,754,823.05x = 41,656,149.42 × 19,241,138.23 - Step 4: Simplify right side
27,754,823.05x = 801,511,729,119,754.38 - Step 5: Solve for x
x = 801,511,729,119,754.38/27,754,823.05 - Step 6: Final answer
x = 28,878,286.40
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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.