Finding the Fourth Proportional to 8,654,754.81, 11,929,704.21 and 5,863,028.79
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Solution
The fourth proportional to 8,654,754.81, 11,929,704.21 and 5,863,028.79 is: 8,081,592.23
Step by Step Solution
- Step 1: Write the proportion equation
8,654,754.81 : 11,929,704.21 = 5,863,028.79 : x - Step 2: Convert to fraction form
8,654,754.81/11,929,704.21 = 5,863,028.79/x - Step 3: Cross multiply
8,654,754.81x = 11,929,704.21 × 5,863,028.79 - Step 4: Simplify right side
8,654,754.81x = 69,944,199,239,414.21 - Step 5: Solve for x
x = 69,944,199,239,414.21/8,654,754.81 - Step 6: Final answer
x = 8,081,592.23
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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.