Finding the Fourth Proportional to 7,738,760.24, 11,608,167.36 and 2,347,457.12
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Solution
The fourth proportional to 7,738,760.24, 11,608,167.36 and 2,347,457.12 is: 3,521,193.87
Step by Step Solution
- Step 1: Write the proportion equation
7,738,760.24 : 11,608,167.36 = 2,347,457.12 : x - Step 2: Convert to fraction form
7,738,760.24/11,608,167.36 = 2,347,457.12/x - Step 3: Cross multiply
7,738,760.24x = 11,608,167.36 × 2,347,457.12 - Step 4: Simplify right side
7,738,760.24x = 27,249,675,119,383.60 - Step 5: Solve for x
x = 27,249,675,119,383.60/7,738,760.24 - Step 6: Final answer
x = 3,521,193.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.