Finding the Fourth Proportional to 11,765,163.14, 16,236,319.42 and 6,538,391.60
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Solution
The fourth proportional to 11,765,163.14, 16,236,319.42 and 6,538,391.60 is: 9,023,199.52
Step by Step Solution
- Step 1: Write the proportion equation
11,765,163.14 : 16,236,319.42 = 6,538,391.60 : x - Step 2: Convert to fraction form
11,765,163.14/16,236,319.42 = 6,538,391.60/x - Step 3: Cross multiply
11,765,163.14x = 16,236,319.42 × 6,538,391.60 - Step 4: Simplify right side
11,765,163.14x = 106,159,414,396,771.31 - Step 5: Solve for x
x = 106,159,414,396,771.31/11,765,163.14 - Step 6: Final answer
x = 9,023,199.52
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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.