Finding the Fourth Proportional to 6,147,295.99, 8,475,382.91 and 5,040,650.09
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Solution
The fourth proportional to 6,147,295.99, 8,475,382.91 and 5,040,650.09 is: 6,949,631.14
Step by Step Solution
- Step 1: Write the proportion equation
6,147,295.99 : 8,475,382.91 = 5,040,650.09 : x - Step 2: Convert to fraction form
6,147,295.99/8,475,382.91 = 5,040,650.09/x - Step 3: Cross multiply
6,147,295.99x = 8,475,382.91 × 5,040,650.09 - Step 4: Simplify right side
6,147,295.99x = 42,721,439,628,075.96 - Step 5: Solve for x
x = 42,721,439,628,075.96/6,147,295.99 - Step 6: Final answer
x = 6,949,631.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.