Finding the Fourth Proportional to 11,576,817.90, 15,975,215.37 and 6,419,696.94
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Solution
The fourth proportional to 11,576,817.90, 15,975,215.37 and 6,419,696.94 is: 8,858,741.85
Step by Step Solution
- Step 1: Write the proportion equation
11,576,817.90 : 15,975,215.37 = 6,419,696.94 : x - Step 2: Convert to fraction form
11,576,817.90/15,975,215.37 = 6,419,696.94/x - Step 3: Cross multiply
11,576,817.90x = 15,975,215.37 × 6,419,696.94 - Step 4: Simplify right side
11,576,817.90x = 102,556,041,226,629.97 - Step 5: Solve for x
x = 102,556,041,226,629.97/11,576,817.90 - Step 6: Final answer
x = 8,858,741.85
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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.