Finding the Fourth Proportional to 57,783,121.70, 86,677,729.76 and 14,652,697.72
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Solution
The fourth proportional to 57,783,121.70, 86,677,729.76 and 14,652,697.72 is: 21,979,819.29
Step by Step Solution
- Step 1: Write the proportion equation
57,783,121.70 : 86,677,729.76 = 14,652,697.72 : x - Step 2: Convert to fraction form
57,783,121.70/86,677,729.76 = 14,652,697.72/x - Step 3: Cross multiply
57,783,121.70x = 86,677,729.76 × 14,652,697.72 - Step 4: Simplify right side
57,783,121.70x = 1,270,062,573,229,128.25 - Step 5: Solve for x
x = 1,270,062,573,229,128.25/57,783,121.70 - Step 6: Final answer
x = 21,979,819.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.