Finding the Fourth Proportional to 32,372,334.60, 48,550,725.90 and 18,695,905.80
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Solution
The fourth proportional to 32,372,334.60, 48,550,725.90 and 18,695,905.80 is: 28,039,367.85
Step by Step Solution
- Step 1: Write the proportion equation
32,372,334.60 : 48,550,725.90 = 18,695,905.80 : x - Step 2: Convert to fraction form
32,372,334.60/48,550,725.90 = 18,695,905.80/x - Step 3: Cross multiply
32,372,334.60x = 48,550,725.90 × 18,695,905.80 - Step 4: Simplify right side
32,372,334.60x = 907,699,797,948,020.25 - Step 5: Solve for x
x = 907,699,797,948,020.25/32,372,334.60 - Step 6: Final answer
x = 28,039,367.85
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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.