Finding the Fourth Proportional to 7,385,954.20, 11,053,724.10 and 6,189,227.80
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Solution
The fourth proportional to 7,385,954.20, 11,053,724.10 and 6,189,227.80 is: 9,262,718.76
Step by Step Solution
- Step 1: Write the proportion equation
7,385,954.20 : 11,053,724.10 = 6,189,227.80 : x - Step 2: Convert to fraction form
7,385,954.20/11,053,724.10 = 6,189,227.80/x - Step 3: Cross multiply
7,385,954.20x = 11,053,724.10 × 6,189,227.80 - Step 4: Simplify right side
7,385,954.20x = 68,414,016,493,249.98 - Step 5: Solve for x
x = 68,414,016,493,249.98/7,385,954.20 - Step 6: Final answer
x = 9,262,718.76
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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.