Finding the Fourth Proportional to 23,438,609.02, 32,342,213.06 and 13,515,858.20
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Solution
The fourth proportional to 23,438,609.02, 32,342,213.06 and 13,515,858.20 is: 18,650,115.51
Step by Step Solution
- Step 1: Write the proportion equation
23,438,609.02 : 32,342,213.06 = 13,515,858.20 : x - Step 2: Convert to fraction form
23,438,609.02/32,342,213.06 = 13,515,858.20/x - Step 3: Cross multiply
23,438,609.02x = 32,342,213.06 × 13,515,858.20 - Step 4: Simplify right side
23,438,609.02x = 437,132,765,593,148.06 - Step 5: Solve for x
x = 437,132,765,593,148.06/23,438,609.02 - Step 6: Final answer
x = 18,650,115.51
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Double scale
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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.