Finding the Fourth Proportional to 43,707,212.40, 65,508,330.60 and 18,135,058.80
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Solution
The fourth proportional to 43,707,212.40, 65,508,330.60 and 18,135,058.80 is: 27,180,809.80
Step by Step Solution
- Step 1: Write the proportion equation
43,707,212.40 : 65,508,330.60 = 18,135,058.80 : x - Step 2: Convert to fraction form
43,707,212.40/65,508,330.60 = 18,135,058.80/x - Step 3: Cross multiply
43,707,212.40x = 65,508,330.60 × 18,135,058.80 - Step 4: Simplify right side
43,707,212.40x = 1,187,997,427,320,839.25 - Step 5: Solve for x
x = 1,187,997,427,320,839.25/43,707,212.40 - Step 6: Final answer
x = 27,180,809.80
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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.