Finding the Fourth Proportional to 13,336,861.48, 20,005,292.46 and 3,239,414.44
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Solution
The fourth proportional to 13,336,861.48, 20,005,292.46 and 3,239,414.44 is: 4,859,121.72
Step by Step Solution
- Step 1: Write the proportion equation
13,336,861.48 : 20,005,292.46 = 3,239,414.44 : x - Step 2: Convert to fraction form
13,336,861.48/20,005,292.46 = 3,239,414.44/x - Step 3: Cross multiply
13,336,861.48x = 20,005,292.46 × 3,239,414.44 - Step 4: Simplify right side
13,336,861.48x = 64,805,433,271,347.12 - Step 5: Solve for x
x = 64,805,433,271,347.12/13,336,861.48 - Step 6: Final answer
x = 4,859,121.72
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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.