Finding the Fourth Proportional to 12,468,229.60, 18,702,927.60 and 3,949,232.80
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Solution
The fourth proportional to 12,468,229.60, 18,702,927.60 and 3,949,232.80 is: 5,924,033.92
Step by Step Solution
- Step 1: Write the proportion equation
12,468,229.60 : 18,702,927.60 = 3,949,232.80 : x - Step 2: Convert to fraction form
12,468,229.60/18,702,927.60 = 3,949,232.80/x - Step 3: Cross multiply
12,468,229.60x = 18,702,927.60 × 3,949,232.80 - Step 4: Simplify right side
12,468,229.60x = 73,862,215,133,945.28 - Step 5: Solve for x
x = 73,862,215,133,945.28/12,468,229.60 - Step 6: Final answer
x = 5,924,033.92
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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.