Finding the Fourth Proportional to 27,313,620.40, 40,965,181.80 and 8,145,002.80
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Solution
The fourth proportional to 27,313,620.40, 40,965,181.80 and 8,145,002.80 is: 12,215,938.99
Step by Step Solution
- Step 1: Write the proportion equation
27,313,620.40 : 40,965,181.80 = 8,145,002.80 : x - Step 2: Convert to fraction form
27,313,620.40/40,965,181.80 = 8,145,002.80/x - Step 3: Cross multiply
27,313,620.40x = 40,965,181.80 × 8,145,002.80 - Step 4: Simplify right side
27,313,620.40x = 333,661,520,463,509 - Step 5: Solve for x
x = 333,661,520,463,509/27,313,620.40 - Step 6: Final answer
x = 12,215,938.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.