Finding the Fourth Proportional to 7,345,231.80, 11,017,847.70 and 5,998,914.60
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Solution
The fourth proportional to 7,345,231.80, 11,017,847.70 and 5,998,914.60 is: 8,998,371.90
Step by Step Solution
- Step 1: Write the proportion equation
7,345,231.80 : 11,017,847.70 = 5,998,914.60 : x - Step 2: Convert to fraction form
7,345,231.80/11,017,847.70 = 5,998,914.60/x - Step 3: Cross multiply
7,345,231.80x = 11,017,847.70 × 5,998,914.60 - Step 4: Simplify right side
7,345,231.80x = 66,095,127,428,106.41 - Step 5: Solve for x
x = 66,095,127,428,106.41/7,345,231.80 - Step 6: Final answer
x = 8,998,371.90
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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.