Finding the Fourth Proportional to 20,204,767.53, 27,882,604.49 and 11,502,939.96
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Solution
The fourth proportional to 20,204,767.53, 27,882,604.49 and 11,502,939.96 is: 15,874,071.54
Step by Step Solution
- Step 1: Write the proportion equation
20,204,767.53 : 27,882,604.49 = 11,502,939.96 : x - Step 2: Convert to fraction form
20,204,767.53/27,882,604.49 = 11,502,939.96/x - Step 3: Cross multiply
20,204,767.53x = 27,882,604.49 × 11,502,939.96 - Step 4: Simplify right side
20,204,767.53x = 320,731,925,319,381.75 - Step 5: Solve for x
x = 320,731,925,319,381.75/20,204,767.53 - Step 6: Final answer
x = 15,874,071.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.