Finding the Fourth Proportional to 55,222,472.12, 82,833,708.18 and 16,883,986.28
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Solution
The fourth proportional to 55,222,472.12, 82,833,708.18 and 16,883,986.28 is: 25,325,979.42
Step by Step Solution
- Step 1: Write the proportion equation
55,222,472.12 : 82,833,708.18 = 16,883,986.28 : x - Step 2: Convert to fraction form
55,222,472.12/82,833,708.18 = 16,883,986.28/x - Step 3: Cross multiply
55,222,472.12x = 82,833,708.18 × 16,883,986.28 - Step 4: Simplify right side
55,222,472.12x = 1,398,563,192,432,644 - Step 5: Solve for x
x = 1,398,563,192,432,644/55,222,472.12 - Step 6: Final answer
x = 25,325,979.42
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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.