Finding the Fourth Proportional to 6,188,220.20, 9,282,330.30 and 5,656,341.80
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Solution
The fourth proportional to 6,188,220.20, 9,282,330.30 and 5,656,341.80 is: 8,484,512.70
Step by Step Solution
- Step 1: Write the proportion equation
6,188,220.20 : 9,282,330.30 = 5,656,341.80 : x - Step 2: Convert to fraction form
6,188,220.20/9,282,330.30 = 5,656,341.80/x - Step 3: Cross multiply
6,188,220.20x = 9,282,330.30 × 5,656,341.80 - Step 4: Simplify right side
6,188,220.20x = 52,504,032,877,296.54 - Step 5: Solve for x
x = 52,504,032,877,296.54/6,188,220.20 - Step 6: Final answer
x = 8,484,512.70
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1.5x scale
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.