Finding the Fourth Proportional to 8,235,387.36, 12,353,474.52 and 3,979,135.44
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Solution
The fourth proportional to 8,235,387.36, 12,353,474.52 and 3,979,135.44 is: 5,968,893.28
Step by Step Solution
- Step 1: Write the proportion equation
8,235,387.36 : 12,353,474.52 = 3,979,135.44 : x - Step 2: Convert to fraction form
8,235,387.36/12,353,474.52 = 3,979,135.44/x - Step 3: Cross multiply
8,235,387.36x = 12,353,474.52 × 3,979,135.44 - Step 4: Simplify right side
8,235,387.36x = 49,156,148,269,668.98 - Step 5: Solve for x
x = 49,156,148,269,668.98/8,235,387.36 - Step 6: Final answer
x = 5,968,893.28
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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.