Finding the Fourth Proportional to 7,212,879.99, 10,809,899.48 and 5,500,754.24
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Solution
The fourth proportional to 7,212,879.99, 10,809,899.48 and 5,500,754.24 is: 8,243,947.00
Step by Step Solution
- Step 1: Write the proportion equation
7,212,879.99 : 10,809,899.48 = 5,500,754.24 : x - Step 2: Convert to fraction form
7,212,879.99/10,809,899.48 = 5,500,754.24/x - Step 3: Cross multiply
7,212,879.99x = 10,809,899.48 × 5,500,754.24 - Step 4: Simplify right side
7,212,879.99x = 59,462,600,358,286.19 - Step 5: Solve for x
x = 59,462,600,358,286.19/7,212,879.99 - Step 6: Final answer
x = 8,243,947.00
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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.