Finding the Fourth Proportional to 27,051,494.76, 40,481,457.18 and 16,821,172.08
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Solution
The fourth proportional to 27,051,494.76, 40,481,457.18 and 16,821,172.08 is: 25,172,197.08
Step by Step Solution
- Step 1: Write the proportion equation
27,051,494.76 : 40,481,457.18 = 16,821,172.08 : x - Step 2: Convert to fraction form
27,051,494.76/40,481,457.18 = 16,821,172.08/x - Step 3: Cross multiply
27,051,494.76x = 40,481,457.18 × 16,821,172.08 - Step 4: Simplify right side
27,051,494.76x = 680,945,557,273,931.50 - Step 5: Solve for x
x = 680,945,557,273,931.50/27,051,494.76 - Step 6: Final answer
x = 25,172,197.08
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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.