Finding the Fourth Proportional to 18,223,226.20, 27,366,332.10 and 9,720,170.20
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Solution
The fourth proportional to 18,223,226.20, 27,366,332.10 and 9,720,170.20 is: 14,597,053.39
Step by Step Solution
- Step 1: Write the proportion equation
18,223,226.20 : 27,366,332.10 = 9,720,170.20 : x - Step 2: Convert to fraction form
18,223,226.20/27,366,332.10 = 9,720,170.20/x - Step 3: Cross multiply
18,223,226.20x = 27,366,332.10 × 9,720,170.20 - Step 4: Simplify right side
18,223,226.20x = 266,005,405,761,723.41 - Step 5: Solve for x
x = 266,005,405,761,723.41/18,223,226.20 - Step 6: Final answer
x = 14,597,053.39
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1.5x scale
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.