Finding the Fourth Proportional to 36,485,602.48, 50,349,353.38 and 19,965,660.58
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Solution
The fourth proportional to 36,485,602.48, 50,349,353.38 and 19,965,660.58 is: 27,552,185.84
Step by Step Solution
- Step 1: Write the proportion equation
36,485,602.48 : 50,349,353.38 = 19,965,660.58 : x - Step 2: Convert to fraction form
36,485,602.48/50,349,353.38 = 19,965,660.58/x - Step 3: Cross multiply
36,485,602.48x = 50,349,353.38 × 19,965,660.58 - Step 4: Simplify right side
36,485,602.48x = 1,005,258,100,007,555.75 - Step 5: Solve for x
x = 1,005,258,100,007,555.75/36,485,602.48 - Step 6: Final answer
x = 27,552,185.84
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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.