Finding the Fourth Proportional to 16,489,731.60, 24,723,007.92 and 7,263,325.44
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Solution
The fourth proportional to 16,489,731.60, 24,723,007.92 and 7,263,325.44 is: 10,889,883.28
Step by Step Solution
- Step 1: Write the proportion equation
16,489,731.60 : 24,723,007.92 = 7,263,325.44 : x - Step 2: Convert to fraction form
16,489,731.60/24,723,007.92 = 7,263,325.44/x - Step 3: Cross multiply
16,489,731.60x = 24,723,007.92 × 7,263,325.44 - Step 4: Simplify right side
16,489,731.60x = 179,571,252,378,657.50 - Step 5: Solve for x
x = 179,571,252,378,657.50/16,489,731.60 - Step 6: Final answer
x = 10,889,883.28
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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.