Finding the Fourth Proportional to 18,345,087.87, 27,520,953.30 and 9,224,231.70
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Solution
The fourth proportional to 18,345,087.87, 27,520,953.30 and 9,224,231.70 is: 13,838,017.66
Step by Step Solution
- Step 1: Write the proportion equation
18,345,087.87 : 27,520,953.30 = 9,224,231.70 : x - Step 2: Convert to fraction form
18,345,087.87/27,520,953.30 = 9,224,231.70/x - Step 3: Cross multiply
18,345,087.87x = 27,520,953.30 × 9,224,231.70 - Step 4: Simplify right side
18,345,087.87x = 253,859,649,844,079.59 - Step 5: Solve for x
x = 253,859,649,844,079.59/18,345,087.87 - Step 6: Final answer
x = 13,838,017.66
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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.