Finding the Fourth Proportional to 32,364,455.20, 48,528,020.40 and 12,171,738.40
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Solution
The fourth proportional to 32,364,455.20, 48,528,020.40 and 12,171,738.40 is: 18,250,588.98
Step by Step Solution
- Step 1: Write the proportion equation
32,364,455.20 : 48,528,020.40 = 12,171,738.40 : x - Step 2: Convert to fraction form
32,364,455.20/48,528,020.40 = 12,171,738.40/x - Step 3: Cross multiply
32,364,455.20x = 48,528,020.40 × 12,171,738.40 - Step 4: Simplify right side
32,364,455.20x = 590,670,369,378,663.38 - Step 5: Solve for x
x = 590,670,369,378,663.38/32,364,455.20 - Step 6: Final answer
x = 18,250,588.98
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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.