Finding the Fourth Proportional to 23,438,609.67, 32,342,213.95 and 13,515,858.84
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Solution
The fourth proportional to 23,438,609.67, 32,342,213.95 and 13,515,858.84 is: 18,650,116.39
Step by Step Solution
- Step 1: Write the proportion equation
23,438,609.67 : 32,342,213.95 = 13,515,858.84 : x - Step 2: Convert to fraction form
23,438,609.67/32,342,213.95 = 13,515,858.84/x - Step 3: Cross multiply
23,438,609.67x = 32,342,213.95 × 13,515,858.84 - Step 4: Simplify right side
23,438,609.67x = 437,132,798,321,278.81 - Step 5: Solve for x
x = 437,132,798,321,278.81/23,438,609.67 - Step 6: Final answer
x = 18,650,116.39
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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.