Finding the Fourth Proportional to 20,119,519.12, 27,764,939.68 and 10,952,230.48
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Solution
The fourth proportional to 20,119,519.12, 27,764,939.68 and 10,952,230.48 is: 15,114,079.86
Step by Step Solution
- Step 1: Write the proportion equation
20,119,519.12 : 27,764,939.68 = 10,952,230.48 : x - Step 2: Convert to fraction form
20,119,519.12/27,764,939.68 = 10,952,230.48/x - Step 3: Cross multiply
20,119,519.12x = 27,764,939.68 × 10,952,230.48 - Step 4: Simplify right side
20,119,519.12x = 304,088,018,638,657.44 - Step 5: Solve for x
x = 304,088,018,638,657.44/20,119,519.12 - Step 6: Final answer
x = 15,114,079.86
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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.