Finding the Fourth Proportional to 8,394,956.20, 12,589,323.90 and 2,715,365.80
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Solution
The fourth proportional to 8,394,956.20, 12,589,323.90 and 2,715,365.80 is: 4,072,042.63
Step by Step Solution
- Step 1: Write the proportion equation
8,394,956.20 : 12,589,323.90 = 2,715,365.80 : x - Step 2: Convert to fraction form
8,394,956.20/12,589,323.90 = 2,715,365.80/x - Step 3: Cross multiply
8,394,956.20x = 12,589,323.90 × 2,715,365.80 - Step 4: Simplify right side
8,394,956.20x = 34,184,619,563,182.62 - Step 5: Solve for x
x = 34,184,619,563,182.62/8,394,956.20 - Step 6: Final answer
x = 4,072,042.63
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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.