Finding the Fourth Proportional to 11,047,040.37, 15,246,770.83 and 6,403,729.94
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Solution
The fourth proportional to 11,047,040.37, 15,246,770.83 and 6,403,729.94 is: 8,838,222.69
Step by Step Solution
- Step 1: Write the proportion equation
11,047,040.37 : 15,246,770.83 = 6,403,729.94 : x - Step 2: Convert to fraction form
11,047,040.37/15,246,770.83 = 6,403,729.94/x - Step 3: Cross multiply
11,047,040.37x = 15,246,770.83 × 6,403,729.94 - Step 4: Simplify right side
11,047,040.37x = 97,636,202,921,092.23 - Step 5: Solve for x
x = 97,636,202,921,092.23/11,047,040.37 - Step 6: Final answer
x = 8,838,222.69
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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.