Finding the Fourth Proportional to 11,811,860, 16,307,452.68 and 7,744,564.88
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Solution
The fourth proportional to 11,811,860, 16,307,452.68 and 7,744,564.88 is: 10,692,145.46
Step by Step Solution
- Step 1: Write the proportion equation
11,811,860 : 16,307,452.68 = 7,744,564.88 : x - Step 2: Convert to fraction form
11,811,860/16,307,452.68 = 7,744,564.88/x - Step 3: Cross multiply
11,811,860x = 16,307,452.68 × 7,744,564.88 - Step 4: Simplify right side
11,811,860x = 126,294,125,307,789.88 - Step 5: Solve for x
x = 126,294,125,307,789.88/11,811,860 - Step 6: Final answer
x = 10,692,145.46
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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.