Finding the Fourth Proportional to 18,384,546.80, 27,527,053.80 and 14,403,234.80
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Solution
The fourth proportional to 18,384,546.80, 27,527,053.80 and 14,403,234.80 is: 21,565,863.09
Step by Step Solution
- Step 1: Write the proportion equation
18,384,546.80 : 27,527,053.80 = 14,403,234.80 : x - Step 2: Convert to fraction form
18,384,546.80/27,527,053.80 = 14,403,234.80/x - Step 3: Cross multiply
18,384,546.80x = 27,527,053.80 × 14,403,234.80 - Step 4: Simplify right side
18,384,546.80x = 396,478,619,233,632.25 - Step 5: Solve for x
x = 396,478,619,233,632.25/18,384,546.80 - Step 6: Final answer
x = 21,565,863.09
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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.