Finding the Fourth Proportional to 16,620,793.80, 24,931,190.70 and 11,232,025.80
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Solution
The fourth proportional to 16,620,793.80, 24,931,190.70 and 11,232,025.80 is: 16,848,038.70
Step by Step Solution
- Step 1: Write the proportion equation
16,620,793.80 : 24,931,190.70 = 11,232,025.80 : x - Step 2: Convert to fraction form
16,620,793.80/24,931,190.70 = 11,232,025.80/x - Step 3: Cross multiply
16,620,793.80x = 24,931,190.70 × 11,232,025.80 - Step 4: Simplify right side
16,620,793.80x = 280,027,777,167,120.06 - Step 5: Solve for x
x = 280,027,777,167,120.06/16,620,793.80 - Step 6: Final answer
x = 16,848,038.70
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1.5x scale
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.