Finding the Fourth Proportional to 6,889,126.33, 10,321,879.65 and 4,863,745.63
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Solution
The fourth proportional to 6,889,126.33, 10,321,879.65 and 4,863,745.63 is: 7,287,280.66
Step by Step Solution
- Step 1: Write the proportion equation
6,889,126.33 : 10,321,879.65 = 4,863,745.63 : x - Step 2: Convert to fraction form
6,889,126.33/10,321,879.65 = 4,863,745.63/x - Step 3: Cross multiply
6,889,126.33x = 10,321,879.65 × 4,863,745.63 - Step 4: Simplify right side
6,889,126.33x = 50,202,997,041,073.43 - Step 5: Solve for x
x = 50,202,997,041,073.43/6,889,126.33 - Step 6: Final answer
x = 7,287,280.66
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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.