Finding the Fourth Proportional to 16,263,236.70, 22,439,502.90 and 9,734,385.60
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Solution
The fourth proportional to 16,263,236.70, 22,439,502.90 and 9,734,385.60 is: 13,431,199.33
Step by Step Solution
- Step 1: Write the proportion equation
16,263,236.70 : 22,439,502.90 = 9,734,385.60 : x - Step 2: Convert to fraction form
16,263,236.70/22,439,502.90 = 9,734,385.60/x - Step 3: Cross multiply
16,263,236.70x = 22,439,502.90 × 9,734,385.60 - Step 4: Simplify right side
16,263,236.70x = 218,434,773,900,918.22 - Step 5: Solve for x
x = 218,434,773,900,918.22/16,263,236.70 - Step 6: Final answer
x = 13,431,199.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.