Finding the Fourth Proportional to 11,907,438.40, 16,432,077.60 and 6,474,882.88
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Solution
The fourth proportional to 11,907,438.40, 16,432,077.60 and 6,474,882.88 is: 8,935,236.48
Step by Step Solution
- Step 1: Write the proportion equation
11,907,438.40 : 16,432,077.60 = 6,474,882.88 : x - Step 2: Convert to fraction form
11,907,438.40/16,432,077.60 = 6,474,882.88/x - Step 3: Cross multiply
11,907,438.40x = 16,432,077.60 × 6,474,882.88 - Step 4: Simplify right side
11,907,438.40x = 106,395,777,935,071.48 - Step 5: Solve for x
x = 106,395,777,935,071.48/11,907,438.40 - Step 6: Final answer
x = 8,935,236.48
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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.