Finding the Fourth Proportional to 7,203,099.87, 10,804,668.12 and 2,943,268.11
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Solution
The fourth proportional to 7,203,099.87, 10,804,668.12 and 2,943,268.11 is: 4,414,909.65
Step by Step Solution
- Step 1: Write the proportion equation
7,203,099.87 : 10,804,668.12 = 2,943,268.11 : x - Step 2: Convert to fraction form
7,203,099.87/10,804,668.12 = 2,943,268.11/x - Step 3: Cross multiply
7,203,099.87x = 10,804,668.12 × 2,943,268.11 - Step 4: Simplify right side
7,203,099.87x = 31,801,035,116,729.65 - Step 5: Solve for x
x = 31,801,035,116,729.65/7,203,099.87 - Step 6: Final answer
x = 4,414,909.65
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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.