Finding the Fourth Proportional to 8,223,913.48, 11,350,188.29 and 4,738,584.99
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Solution
The fourth proportional to 8,223,913.48, 11,350,188.29 and 4,738,584.99 is: 6,539,931.63
Step by Step Solution
- Step 1: Write the proportion equation
8,223,913.48 : 11,350,188.29 = 4,738,584.99 : x - Step 2: Convert to fraction form
8,223,913.48/11,350,188.29 = 4,738,584.99/x - Step 3: Cross multiply
8,223,913.48x = 11,350,188.29 × 4,738,584.99 - Step 4: Simplify right side
8,223,913.48x = 53,783,831,864,667.77 - Step 5: Solve for x
x = 53,783,831,864,667.77/8,223,913.48 - Step 6: Final answer
x = 6,539,931.63
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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.