Finding the Fourth Proportional to 8,063,997.14, 11,128,311.14 and 4,442,325.14
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Solution
The fourth proportional to 8,063,997.14, 11,128,311.14 and 4,442,325.14 is: 6,130,405.99
Step by Step Solution
- Step 1: Write the proportion equation
8,063,997.14 : 11,128,311.14 = 4,442,325.14 : x - Step 2: Convert to fraction form
8,063,997.14/11,128,311.14 = 4,442,325.14/x - Step 3: Cross multiply
8,063,997.14x = 11,128,311.14 × 4,442,325.14 - Step 4: Simplify right side
8,063,997.14x = 49,435,576,348,573.21 - Step 5: Solve for x
x = 49,435,576,348,573.21/8,063,997.14 - Step 6: Final answer
x = 6,130,405.99
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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.