Finding the Fourth Proportional to 18,262,821.43, 27,394,235.26 and 4,616,007.04
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Solution
The fourth proportional to 18,262,821.43, 27,394,235.26 and 4,616,007.04 is: 6,924,011.35
Step by Step Solution
- Step 1: Write the proportion equation
18,262,821.43 : 27,394,235.26 = 4,616,007.04 : x - Step 2: Convert to fraction form
18,262,821.43/27,394,235.26 = 4,616,007.04/x - Step 3: Cross multiply
18,262,821.43x = 27,394,235.26 × 4,616,007.04 - Step 4: Simplify right side
18,262,821.43x = 126,451,982,851,263.83 - Step 5: Solve for x
x = 126,451,982,851,263.83/18,262,821.43 - Step 6: Final answer
x = 6,924,011.35
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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.