Finding the Fourth Proportional to 14,085,404, 19,438,059.12 and 8,204,887.20
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Solution
The fourth proportional to 14,085,404, 19,438,059.12 and 8,204,887.20 is: 11,322,861.77
Step by Step Solution
- Step 1: Write the proportion equation
14,085,404 : 19,438,059.12 = 8,204,887.20 : x - Step 2: Convert to fraction form
14,085,404/19,438,059.12 = 8,204,887.20/x - Step 3: Cross multiply
14,085,404x = 19,438,059.12 × 8,204,887.20 - Step 4: Simplify right side
14,085,404x = 159,487,082,466,531.28 - Step 5: Solve for x
x = 159,487,082,466,531.28/14,085,404 - Step 6: Final answer
x = 11,322,861.77
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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.