Finding the Fourth Proportional to 8,111,287.99, 11,193,576.58 and 4,440,207.05
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Solution
The fourth proportional to 8,111,287.99, 11,193,576.58 and 4,440,207.05 is: 6,127,485.26
Step by Step Solution
- Step 1: Write the proportion equation
8,111,287.99 : 11,193,576.58 = 4,440,207.05 : x - Step 2: Convert to fraction form
8,111,287.99/11,193,576.58 = 4,440,207.05/x - Step 3: Cross multiply
8,111,287.99x = 11,193,576.58 × 4,440,207.05 - Step 4: Simplify right side
8,111,287.99x = 49,701,797,636,789.18 - Step 5: Solve for x
x = 49,701,797,636,789.18/8,111,287.99 - Step 6: Final answer
x = 6,127,485.26
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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.