Finding the Fourth Proportional to 11,714,923.84, 16,166,122.56 and 6,820,286.80
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Solution
The fourth proportional to 11,714,923.84, 16,166,122.56 and 6,820,286.80 is: 9,411,720.79
Step by Step Solution
- Step 1: Write the proportion equation
11,714,923.84 : 16,166,122.56 = 6,820,286.80 : x - Step 2: Convert to fraction form
11,714,923.84/16,166,122.56 = 6,820,286.80/x - Step 3: Cross multiply
11,714,923.84x = 16,166,122.56 × 6,820,286.80 - Step 4: Simplify right side
11,714,923.84x = 110,257,592,303,150.20 - Step 5: Solve for x
x = 110,257,592,303,150.20/11,714,923.84 - Step 6: Final answer
x = 9,411,720.79
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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.