Finding the Fourth Proportional to 38,269,027.60, 57,410,539.80 and 15,552,221.20
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Solution
The fourth proportional to 38,269,027.60, 57,410,539.80 and 15,552,221.20 is: 23,331,175.89
Step by Step Solution
- Step 1: Write the proportion equation
38,269,027.60 : 57,410,539.80 = 15,552,221.20 : x - Step 2: Convert to fraction form
38,269,027.60/57,410,539.80 = 15,552,221.20/x - Step 3: Cross multiply
38,269,027.60x = 57,410,539.80 × 15,552,221.20 - Step 4: Simplify right side
38,269,027.60x = 892,861,414,181,003.62 - Step 5: Solve for x
x = 892,861,414,181,003.62/38,269,027.60 - Step 6: Final answer
x = 23,331,175.89
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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.