Finding the Fourth Proportional to 11,397,522.93, 15,728,588.19 and 6,170,532.45
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Solution
The fourth proportional to 11,397,522.93, 15,728,588.19 and 6,170,532.45 is: 8,515,338.32
Step by Step Solution
- Step 1: Write the proportion equation
11,397,522.93 : 15,728,588.19 = 6,170,532.45 : x - Step 2: Convert to fraction form
11,397,522.93/15,728,588.19 = 6,170,532.45/x - Step 3: Cross multiply
11,397,522.93x = 15,728,588.19 × 6,170,532.45 - Step 4: Simplify right side
11,397,522.93x = 97,053,763,788,229.11 - Step 5: Solve for x
x = 97,053,763,788,229.11/11,397,522.93 - Step 6: Final answer
x = 8,515,338.32
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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.