Finding the Fourth Proportional to 8,230,027.74, 12,364,015.05 and 7,889,911.26
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Solution
The fourth proportional to 8,230,027.74, 12,364,015.05 and 7,889,911.26 is: 11,853,056.23
Step by Step Solution
- Step 1: Write the proportion equation
8,230,027.74 : 12,364,015.05 = 7,889,911.26 : x - Step 2: Convert to fraction form
8,230,027.74/12,364,015.05 = 7,889,911.26/x - Step 3: Cross multiply
8,230,027.74x = 12,364,015.05 × 7,889,911.26 - Step 4: Simplify right side
8,230,027.74x = 97,550,981,561,804.47 - Step 5: Solve for x
x = 97,550,981,561,804.47/8,230,027.74 - Step 6: Final answer
x = 11,853,056.23
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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.