Finding the Fourth Proportional to 27,290,465.74, 37,647,246.86 and 16,269,449.68
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Solution
The fourth proportional to 27,290,465.74, 37,647,246.86 and 16,269,449.68 is: 22,443,735.27
Step by Step Solution
- Step 1: Write the proportion equation
27,290,465.74 : 37,647,246.86 = 16,269,449.68 : x - Step 2: Convert to fraction form
27,290,465.74/37,647,246.86 = 16,269,449.68/x - Step 3: Cross multiply
27,290,465.74x = 37,647,246.86 × 16,269,449.68 - Step 4: Simplify right side
27,290,465.74x = 612,499,988,379,308 - Step 5: Solve for x
x = 612,499,988,379,308/27,290,465.74 - Step 6: Final answer
x = 22,443,735.27
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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.