Finding the Fourth Proportional to 11,742,292.56, 16,197,481.84 and 7,384,466.64
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Solution
The fourth proportional to 11,742,292.56, 16,197,481.84 and 7,384,466.64 is: 10,186,236.09
Step by Step Solution
- Step 1: Write the proportion equation
11,742,292.56 : 16,197,481.84 = 7,384,466.64 : x - Step 2: Convert to fraction form
11,742,292.56/16,197,481.84 = 7,384,466.64/x - Step 3: Cross multiply
11,742,292.56x = 16,197,481.84 × 7,384,466.64 - Step 4: Simplify right side
11,742,292.56x = 119,609,764,299,485.81 - Step 5: Solve for x
x = 119,609,764,299,485.81/11,742,292.56 - Step 6: Final answer
x = 10,186,236.09
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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.