Finding the Fourth Proportional to 29,316,990.26, 40,440,637.75 and 18,284,586.39
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Solution
The fourth proportional to 29,316,990.26, 40,440,637.75 and 18,284,586.39 is: 25,222,245.80
Step by Step Solution
- Step 1: Write the proportion equation
29,316,990.26 : 40,440,637.75 = 18,284,586.39 : x - Step 2: Convert to fraction form
29,316,990.26/40,440,637.75 = 18,284,586.39/x - Step 3: Cross multiply
29,316,990.26x = 40,440,637.75 × 18,284,586.39 - Step 4: Simplify right side
29,316,990.26x = 739,440,334,560,858.88 - Step 5: Solve for x
x = 739,440,334,560,858.88/29,316,990.26 - Step 6: Final answer
x = 25,222,245.80
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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.