Finding the Fourth Proportional to 47,897,493.40, 66,079,785.18 and 29,530,892.44
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Solution
The fourth proportional to 47,897,493.40, 66,079,785.18 and 29,530,892.44 is: 40,741,067.85
Step by Step Solution
- Step 1: Write the proportion equation
47,897,493.40 : 66,079,785.18 = 29,530,892.44 : x - Step 2: Convert to fraction form
47,897,493.40/66,079,785.18 = 29,530,892.44/x - Step 3: Cross multiply
47,897,493.40x = 66,079,785.18 × 29,530,892.44 - Step 4: Simplify right side
47,897,493.40x = 1,951,395,028,608,886 - Step 5: Solve for x
x = 1,951,395,028,608,886/47,897,493.40 - Step 6: Final answer
x = 40,741,067.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.