Finding the Fourth Proportional to 11,521,212.66, 15,899,756.49 and 6,626,436.12
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Solution
The fourth proportional to 11,521,212.66, 15,899,756.49 and 6,626,436.12 is: 9,144,759.65
Step by Step Solution
- Step 1: Write the proportion equation
11,521,212.66 : 15,899,756.49 = 6,626,436.12 : x - Step 2: Convert to fraction form
11,521,212.66/15,899,756.49 = 6,626,436.12/x - Step 3: Cross multiply
11,521,212.66x = 15,899,756.49 × 6,626,436.12 - Step 4: Simplify right side
11,521,212.66x = 105,358,720,704,540.42 - Step 5: Solve for x
x = 105,358,720,704,540.42/11,521,212.66 - Step 6: Final answer
x = 9,144,759.65
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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.