Finding the Fourth Proportional to 8,223,913.99, 11,350,188.98 and 4,738,585.49
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Solution
The fourth proportional to 8,223,913.99, 11,350,188.98 and 4,738,585.49 is: 6,539,932.31
Step by Step Solution
- Step 1: Write the proportion equation
8,223,913.99 : 11,350,188.98 = 4,738,585.49 : x - Step 2: Convert to fraction form
8,223,913.99/11,350,188.98 = 4,738,585.49/x - Step 3: Cross multiply
8,223,913.99x = 11,350,188.98 × 4,738,585.49 - Step 4: Simplify right side
8,223,913.99x = 53,783,840,764,481.42 - Step 5: Solve for x
x = 53,783,840,764,481.42/8,223,913.99 - Step 6: Final answer
x = 6,539,932.31
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1.5x scale
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.