Finding the Fourth Proportional to 11,521,568.18, 17,284,843.40 and 6,129,434.94
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Solution
The fourth proportional to 11,521,568.18, 17,284,843.40 and 6,129,434.94 is: 9,195,477.68
Step by Step Solution
- Step 1: Write the proportion equation
11,521,568.18 : 17,284,843.40 = 6,129,434.94 : x - Step 2: Convert to fraction form
11,521,568.18/17,284,843.40 = 6,129,434.94/x - Step 3: Cross multiply
11,521,568.18x = 17,284,843.40 × 6,129,434.94 - Step 4: Simplify right side
11,521,568.18x = 105,946,323,024,637.11 - Step 5: Solve for x
x = 105,946,323,024,637.11/11,521,568.18 - Step 6: Final answer
x = 9,195,477.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.