Finding the Fourth Proportional to 27,324,053.20, 40,986,079.80 and 7,129,295.20
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Solution
The fourth proportional to 27,324,053.20, 40,986,079.80 and 7,129,295.20 is: 10,693,942.80
Step by Step Solution
- Step 1: Write the proportion equation
27,324,053.20 : 40,986,079.80 = 7,129,295.20 : x - Step 2: Convert to fraction form
27,324,053.20/40,986,079.80 = 7,129,295.20/x - Step 3: Cross multiply
27,324,053.20x = 40,986,079.80 × 7,129,295.20 - Step 4: Simplify right side
27,324,053.20x = 292,201,861,984,956.94 - Step 5: Solve for x
x = 292,201,861,984,956.94/27,324,053.20 - Step 6: Final answer
x = 10,693,942.80
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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.