Finding the Fourth Proportional to 20,062,290, 27,694,436.16 and 13,544,748.24
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Solution
The fourth proportional to 20,062,290, 27,694,436.16 and 13,544,748.24 is: 18,697,474.99
Step by Step Solution
- Step 1: Write the proportion equation
20,062,290 : 27,694,436.16 = 13,544,748.24 : x - Step 2: Convert to fraction form
20,062,290/27,694,436.16 = 13,544,748.24/x - Step 3: Cross multiply
20,062,290x = 27,694,436.16 × 13,544,748.24 - Step 4: Simplify right side
20,062,290x = 375,114,165,435,952.38 - Step 5: Solve for x
x = 375,114,165,435,952.38/20,062,290 - Step 6: Final answer
x = 18,697,474.99
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1.5x scale
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.