Finding the Fourth Proportional to 7,633,181.40, 11,450,327.96 and 2,840,869.05
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Solution
The fourth proportional to 7,633,181.40, 11,450,327.96 and 2,840,869.05 is: 4,261,510.45
Step by Step Solution
- Step 1: Write the proportion equation
7,633,181.40 : 11,450,327.96 = 2,840,869.05 : x - Step 2: Convert to fraction form
7,633,181.40/11,450,327.96 = 2,840,869.05/x - Step 3: Cross multiply
7,633,181.40x = 11,450,327.96 × 2,840,869.05 - Step 4: Simplify right side
7,633,181.40x = 32,528,882,313,913.64 - Step 5: Solve for x
x = 32,528,882,313,913.64/7,633,181.40 - Step 6: Final answer
x = 4,261,510.45
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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.