Finding the Fourth Proportional to 20,062,117.56, 27,694,198.17 and 13,544,575.68
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Solution
The fourth proportional to 20,062,117.56, 27,694,198.17 and 13,544,575.68 is: 18,697,236.81
Step by Step Solution
- Step 1: Write the proportion equation
20,062,117.56 : 27,694,198.17 = 13,544,575.68 : x - Step 2: Convert to fraction form
20,062,117.56/27,694,198.17 = 13,544,575.68/x - Step 3: Cross multiply
20,062,117.56x = 27,694,198.17 × 13,544,575.68 - Step 4: Simplify right side
20,062,117.56x = 375,106,163,010,482.50 - Step 5: Solve for x
x = 375,106,163,010,482.50/20,062,117.56 - Step 6: Final answer
x = 18,697,236.81
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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.