Finding the Fourth Proportional to 20,062,132.56, 27,694,218.87 and 13,544,590.68
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Solution
The fourth proportional to 20,062,132.56, 27,694,218.87 and 13,544,590.68 is: 18,697,257.52
Step by Step Solution
- Step 1: Write the proportion equation
20,062,132.56 : 27,694,218.87 = 13,544,590.68 : x - Step 2: Convert to fraction form
20,062,132.56/27,694,218.87 = 13,544,590.68/x - Step 3: Cross multiply
20,062,132.56x = 27,694,218.87 × 13,544,590.68 - Step 4: Simplify right side
20,062,132.56x = 375,106,858,796,482.12 - Step 5: Solve for x
x = 375,106,858,796,482.12/20,062,132.56 - Step 6: Final answer
x = 18,697,257.52
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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.