Finding the Fourth Proportional to 57,132,465.05, 85,701,936.36 and 18,274,330.19
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Solution
The fourth proportional to 57,132,465.05, 85,701,936.36 and 18,274,330.19 is: 27,412,531.24
Step by Step Solution
- Step 1: Write the proportion equation
57,132,465.05 : 85,701,936.36 = 18,274,330.19 : x - Step 2: Convert to fraction form
57,132,465.05/85,701,936.36 = 18,274,330.19/x - Step 3: Cross multiply
57,132,465.05x = 85,701,936.36 × 18,274,330.19 - Step 4: Simplify right side
57,132,465.05x = 1,566,145,483,247,790 - Step 5: Solve for x
x = 1,566,145,483,247,790/57,132,465.05 - Step 6: Final answer
x = 27,412,531.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.