Finding the Fourth Proportional to 12,110,945.81, 18,168,233.13 and 3,910,848.03
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Solution
The fourth proportional to 12,110,945.81, 18,168,233.13 and 3,910,848.03 is: 5,866,857.96
Step by Step Solution
- Step 1: Write the proportion equation
12,110,945.81 : 18,168,233.13 = 3,910,848.03 : x - Step 2: Convert to fraction form
12,110,945.81/18,168,233.13 = 3,910,848.03/x - Step 3: Cross multiply
12,110,945.81x = 18,168,233.13 × 3,910,848.03 - Step 4: Simplify right side
12,110,945.81x = 71,053,198,745,041.22 - Step 5: Solve for x
x = 71,053,198,745,041.22/12,110,945.81 - Step 6: Final answer
x = 5,866,857.96
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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.