Finding the Fourth Proportional to 32,048,213.20, 48,072,379.95 and 7,787,160.63
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Solution
The fourth proportional to 32,048,213.20, 48,072,379.95 and 7,787,160.63 is: 11,680,755.56
Step by Step Solution
- Step 1: Write the proportion equation
32,048,213.20 : 48,072,379.95 = 7,787,160.63 : x - Step 2: Convert to fraction form
32,048,213.20/48,072,379.95 = 7,787,160.63/x - Step 3: Cross multiply
32,048,213.20x = 48,072,379.95 × 7,787,160.63 - Step 4: Simplify right side
32,048,213.20x = 374,347,344,537,041.38 - Step 5: Solve for x
x = 374,347,344,537,041.38/32,048,213.20 - Step 6: Final answer
x = 11,680,755.56
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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.