Finding the Fourth Proportional to 7,723,997.60, 11,590,143.60 and 3,236,727.20
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Solution
The fourth proportional to 7,723,997.60, 11,590,143.60 and 3,236,727.20 is: 4,856,828.68
Step by Step Solution
- Step 1: Write the proportion equation
7,723,997.60 : 11,590,143.60 = 3,236,727.20 : x - Step 2: Convert to fraction form
7,723,997.60/11,590,143.60 = 3,236,727.20/x - Step 3: Cross multiply
7,723,997.60x = 11,590,143.60 × 3,236,727.20 - Step 4: Simplify right side
7,723,997.60x = 37,514,133,042,025.92 - Step 5: Solve for x
x = 37,514,133,042,025.92/7,723,997.60 - Step 6: Final answer
x = 4,856,828.68
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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.