Finding the Fourth Proportional to 20,062,176.56, 27,694,279.62 and 13,544,634.68
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Solution
The fourth proportional to 20,062,176.56, 27,694,279.62 and 13,544,634.68 is: 18,697,318.26
Step by Step Solution
- Step 1: Write the proportion equation
20,062,176.56 : 27,694,279.62 = 13,544,634.68 : x - Step 2: Convert to fraction form
20,062,176.56/27,694,279.62 = 13,544,634.68/x - Step 3: Cross multiply
20,062,176.56x = 27,694,279.62 × 13,544,634.68 - Step 4: Simplify right side
20,062,176.56x = 375,108,900,178,669.25 - Step 5: Solve for x
x = 375,108,900,178,669.25/20,062,176.56 - Step 6: Final answer
x = 18,697,318.26
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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.