Finding the Fourth Proportional to 43,638,114.36, 65,446,673.94 and 13,346,239.80
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Solution
The fourth proportional to 43,638,114.36, 65,446,673.94 and 13,346,239.80 is: 20,016,149.12
Step by Step Solution
- Step 1: Write the proportion equation
43,638,114.36 : 65,446,673.94 = 13,346,239.80 : x - Step 2: Convert to fraction form
43,638,114.36/65,446,673.94 = 13,346,239.80/x - Step 3: Cross multiply
43,638,114.36x = 65,446,673.94 × 13,346,239.80 - Step 4: Simplify right side
43,638,114.36x = 873,467,004,515,650.88 - Step 5: Solve for x
x = 873,467,004,515,650.88/43,638,114.36 - Step 6: Final answer
x = 20,016,149.12
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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.