Finding the Fourth Proportional to 23,508,372.96, 32,439,775.84 and 13,193,103.20
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Solution
The fourth proportional to 23,508,372.96, 32,439,775.84 and 13,193,103.20 is: 18,205,484.11
Step by Step Solution
- Step 1: Write the proportion equation
23,508,372.96 : 32,439,775.84 = 13,193,103.20 : x - Step 2: Convert to fraction form
23,508,372.96/32,439,775.84 = 13,193,103.20/x - Step 3: Cross multiply
23,508,372.96x = 32,439,775.84 × 13,193,103.20 - Step 4: Simplify right side
23,508,372.96x = 427,981,310,441,986.69 - Step 5: Solve for x
x = 427,981,310,441,986.69/23,508,372.96 - Step 6: Final answer
x = 18,205,484.11
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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.