Finding the Fourth Proportional to 36,392,520.63, 54,570,526.79 and 12,122,915.07
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Solution
The fourth proportional to 36,392,520.63, 54,570,526.79 and 12,122,915.07 is: 18,178,291.86
Step by Step Solution
- Step 1: Write the proportion equation
36,392,520.63 : 54,570,526.79 = 12,122,915.07 : x - Step 2: Convert to fraction form
36,392,520.63/54,570,526.79 = 12,122,915.07/x - Step 3: Cross multiply
36,392,520.63x = 54,570,526.79 × 12,122,915.07 - Step 4: Simplify right side
36,392,520.63x = 661,553,861,600,329.75 - Step 5: Solve for x
x = 661,553,861,600,329.75/36,392,520.63 - Step 6: Final answer
x = 18,178,291.86
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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.