Finding the Fourth Proportional to 11,016,717.93, 15,202,515.27 and 6,121,834.91
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Solution
The fourth proportional to 11,016,717.93, 15,202,515.27 and 6,121,834.91 is: 8,447,823.51
Step by Step Solution
- Step 1: Write the proportion equation
11,016,717.93 : 15,202,515.27 = 6,121,834.91 : x - Step 2: Convert to fraction form
11,016,717.93/15,202,515.27 = 6,121,834.91/x - Step 3: Cross multiply
11,016,717.93x = 15,202,515.27 × 6,121,834.91 - Step 4: Simplify right side
11,016,717.93x = 93,067,288,703,647.81 - Step 5: Solve for x
x = 93,067,288,703,647.81/11,016,717.93 - Step 6: Final answer
x = 8,447,823.51
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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.