Finding the Fourth Proportional to 55,322,589.49, 82,982,744.68 and 18,437,158.12
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Solution
The fourth proportional to 55,322,589.49, 82,982,744.68 and 18,437,158.12 is: 27,655,357.40
Step by Step Solution
- Step 1: Write the proportion equation
55,322,589.49 : 82,982,744.68 = 18,437,158.12 : x - Step 2: Convert to fraction form
55,322,589.49/82,982,744.68 = 18,437,158.12/x - Step 3: Cross multiply
55,322,589.49x = 82,982,744.68 × 18,437,158.12 - Step 4: Simplify right side
55,322,589.49x = 1,529,965,984,389,649 - Step 5: Solve for x
x = 1,529,965,984,389,649/55,322,589.49 - Step 6: Final answer
x = 27,655,357.40
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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.