Finding the Fourth Proportional to 36,485,148.96, 50,348,729.52 and 19,965,207.60
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Solution
The fourth proportional to 36,485,148.96, 50,348,729.52 and 19,965,207.60 is: 27,551,561.82
Step by Step Solution
- Step 1: Write the proportion equation
36,485,148.96 : 50,348,729.52 = 19,965,207.60 : x - Step 2: Convert to fraction form
36,485,148.96/50,348,729.52 = 19,965,207.60/x - Step 3: Cross multiply
36,485,148.96x = 50,348,729.52 × 19,965,207.60 - Step 4: Simplify right side
36,485,148.96x = 1,005,222,837,263,048.50 - Step 5: Solve for x
x = 1,005,222,837,263,048.50/36,485,148.96 - Step 6: Final answer
x = 27,551,561.82
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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.