Finding the Fourth Proportional to 48,268,960.40, 72,405,190.20 and 14,193,750.80
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Solution
The fourth proportional to 48,268,960.40, 72,405,190.20 and 14,193,750.80 is: 21,291,140.68
Step by Step Solution
- Step 1: Write the proportion equation
48,268,960.40 : 72,405,190.20 = 14,193,750.80 : x - Step 2: Convert to fraction form
48,268,960.40/72,405,190.20 = 14,193,750.80/x - Step 3: Cross multiply
48,268,960.40x = 72,405,190.20 × 14,193,750.80 - Step 4: Simplify right side
48,268,960.40x = 1,027,701,226,325,402.25 - Step 5: Solve for x
x = 1,027,701,226,325,402.25/48,268,960.40 - Step 6: Final answer
x = 21,291,140.68
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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.