Finding the Fourth Proportional to 11,351,823.67, 15,665,121.25 and 6,456,676.15
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Solution
The fourth proportional to 11,351,823.67, 15,665,121.25 and 6,456,676.15 is: 8,909,988.18
Step by Step Solution
- Step 1: Write the proportion equation
11,351,823.67 : 15,665,121.25 = 6,456,676.15 : x - Step 2: Convert to fraction form
11,351,823.67/15,665,121.25 = 6,456,676.15/x - Step 3: Cross multiply
11,351,823.67x = 15,665,121.25 × 6,456,676.15 - Step 4: Simplify right side
11,351,823.67x = 101,144,614,761,733.19 - Step 5: Solve for x
x = 101,144,614,761,733.19/11,351,823.67 - Step 6: Final answer
x = 8,909,988.18
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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.