Finding the Fourth Proportional to 11,027,471.60, 16,541,207.40 and 10,145,673.20
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Solution
The fourth proportional to 11,027,471.60, 16,541,207.40 and 10,145,673.20 is: 15,218,509.80
Step by Step Solution
- Step 1: Write the proportion equation
11,027,471.60 : 16,541,207.40 = 10,145,673.20 : x - Step 2: Convert to fraction form
11,027,471.60/16,541,207.40 = 10,145,673.20/x - Step 3: Cross multiply
11,027,471.60x = 16,541,207.40 × 10,145,673.20 - Step 4: Simplify right side
11,027,471.60x = 167,821,684,613,821.66 - Step 5: Solve for x
x = 167,821,684,613,821.66/11,027,471.60 - Step 6: Final answer
x = 15,218,509.80
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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.