Finding the Fourth Proportional to 39,237,799.68, 54,117,487.92 and 25,491,192.96
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Solution
The fourth proportional to 39,237,799.68, 54,117,487.92 and 25,491,192.96 is: 35,157,917.58
Step by Step Solution
- Step 1: Write the proportion equation
39,237,799.68 : 54,117,487.92 = 25,491,192.96 : x - Step 2: Convert to fraction form
39,237,799.68/54,117,487.92 = 25,491,192.96/x - Step 3: Cross multiply
39,237,799.68x = 54,117,487.92 × 25,491,192.96 - Step 4: Simplify right side
39,237,799.68x = 1,379,519,327,079,189.25 - Step 5: Solve for x
x = 1,379,519,327,079,189.25/39,237,799.68 - Step 6: Final answer
x = 35,157,917.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.