Finding the Fourth Proportional to 11,765,162.64, 16,236,318.73 and 6,538,391.10
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Solution
The fourth proportional to 11,765,162.64, 16,236,318.73 and 6,538,391.10 is: 9,023,198.83
Step by Step Solution
- Step 1: Write the proportion equation
11,765,162.64 : 16,236,318.73 = 6,538,391.10 : x - Step 2: Convert to fraction form
11,765,162.64/16,236,318.73 = 6,538,391.10/x - Step 3: Cross multiply
11,765,162.64x = 16,236,318.73 × 6,538,391.10 - Step 4: Simplify right side
11,765,162.64x = 106,159,401,767,121.75 - Step 5: Solve for x
x = 106,159,401,767,121.75/11,765,162.64 - Step 6: Final answer
x = 9,023,198.83
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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.