Finding the Fourth Proportional to 29,253,604.91, 40,350,536.39 and 18,812,821.55
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Solution
The fourth proportional to 29,253,604.91, 40,350,536.39 and 18,812,821.55 is: 25,949,193.03
Step by Step Solution
- Step 1: Write the proportion equation
29,253,604.91 : 40,350,536.39 = 18,812,821.55 : x - Step 2: Convert to fraction form
29,253,604.91/40,350,536.39 = 18,812,821.55/x - Step 3: Cross multiply
29,253,604.91x = 40,350,536.39 × 18,812,821.55 - Step 4: Simplify right side
29,253,604.91x = 759,107,440,397,130.62 - Step 5: Solve for x
x = 759,107,440,397,130.62/29,253,604.91 - Step 6: Final answer
x = 25,949,193.03
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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.