Finding the Fourth Proportional to 17,760,786.72, 24,509,193.84 and 11,148,931.68
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Solution
The fourth proportional to 17,760,786.72, 24,509,193.84 and 11,148,931.68 is: 15,385,091.44
Step by Step Solution
- Step 1: Write the proportion equation
17,760,786.72 : 24,509,193.84 = 11,148,931.68 : x - Step 2: Convert to fraction form
17,760,786.72/24,509,193.84 = 11,148,931.68/x - Step 3: Cross multiply
17,760,786.72x = 24,509,193.84 × 11,148,931.68 - Step 4: Simplify right side
17,760,786.72x = 273,251,327,654,036.84 - Step 5: Solve for x
x = 273,251,327,654,036.84/17,760,786.72 - Step 6: Final answer
x = 15,385,091.44
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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.