Finding the Fourth Proportional to 16,635,630.60, 24,953,445.90 and 15,540,769.80
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Solution
The fourth proportional to 16,635,630.60, 24,953,445.90 and 15,540,769.80 is: 23,311,154.70
Step by Step Solution
- Step 1: Write the proportion equation
16,635,630.60 : 24,953,445.90 = 15,540,769.80 : x - Step 2: Convert to fraction form
16,635,630.60/24,953,445.90 = 15,540,769.80/x - Step 3: Cross multiply
16,635,630.60x = 24,953,445.90 × 15,540,769.80 - Step 4: Simplify right side
16,635,630.60x = 387,795,758,448,653.81 - Step 5: Solve for x
x = 387,795,758,448,653.81/16,635,630.60 - Step 6: Final answer
x = 23,311,154.70
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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.