Finding the Fourth Proportional to 27,324,990.07, 40,981,439.10 and 7,889,997.42
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Solution
The fourth proportional to 27,324,990.07, 40,981,439.10 and 7,889,997.42 is: 11,833,250.37
Step by Step Solution
- Step 1: Write the proportion equation
27,324,990.07 : 40,981,439.10 = 7,889,997.42 : x - Step 2: Convert to fraction form
27,324,990.07/40,981,439.10 = 7,889,997.42/x - Step 3: Cross multiply
27,324,990.07x = 40,981,439.10 × 7,889,997.42 - Step 4: Simplify right side
27,324,990.07x = 323,343,448,766,887.12 - Step 5: Solve for x
x = 323,343,448,766,887.12/27,324,990.07 - Step 6: Final answer
x = 11,833,250.37
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1.5x scale
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.