Finding the Fourth Proportional to 20,062,169.56, 27,694,269.93 and 13,544,627.68
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Solution
The fourth proportional to 20,062,169.56, 27,694,269.93 and 13,544,627.68 is: 18,697,308.58
Step by Step Solution
- Step 1: Write the proportion equation
20,062,169.56 : 27,694,269.93 = 13,544,627.68 : x - Step 2: Convert to fraction form
20,062,169.56/27,694,269.93 = 13,544,627.68/x - Step 3: Cross multiply
20,062,169.56x = 27,694,269.93 × 13,544,627.68 - Step 4: Simplify right side
20,062,169.56x = 375,108,575,071,269.62 - Step 5: Solve for x
x = 375,108,575,071,269.62/20,062,169.56 - Step 6: Final answer
x = 18,697,308.58
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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.