Finding the Fourth Proportional to 8,370,538.20, 12,555,849.64 and 2,612,789.18
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Solution
The fourth proportional to 8,370,538.20, 12,555,849.64 and 2,612,789.18 is: 3,919,196.99
Step by Step Solution
- Step 1: Write the proportion equation
8,370,538.20 : 12,555,849.64 = 2,612,789.18 : x - Step 2: Convert to fraction form
8,370,538.20/12,555,849.64 = 2,612,789.18/x - Step 3: Cross multiply
8,370,538.20x = 12,555,849.64 × 2,612,789.18 - Step 4: Simplify right side
8,370,538.20x = 32,805,788,085,098.90 - Step 5: Solve for x
x = 32,805,788,085,098.90/8,370,538.20 - Step 6: Final answer
x = 3,919,196.99
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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.