Finding the Fourth Proportional to 14,610,440.28, 20,170,516.14 and 8,810,691.24
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Solution
The fourth proportional to 14,610,440.28, 20,170,516.14 and 8,810,691.24 is: 12,163,643.70
Step by Step Solution
- Step 1: Write the proportion equation
14,610,440.28 : 20,170,516.14 = 8,810,691.24 : x - Step 2: Convert to fraction form
14,610,440.28/20,170,516.14 = 8,810,691.24/x - Step 3: Cross multiply
14,610,440.28x = 20,170,516.14 × 8,810,691.24 - Step 4: Simplify right side
14,610,440.28x = 177,716,189,860,976.62 - Step 5: Solve for x
x = 177,716,189,860,976.62/14,610,440.28 - Step 6: Final answer
x = 12,163,643.70
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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.