Finding the Fourth Proportional to 9,267,879.63, 12,789,550.40 and 5,193,578.19
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Solution
The fourth proportional to 9,267,879.63, 12,789,550.40 and 5,193,578.19 is: 7,167,068.70
Step by Step Solution
- Step 1: Write the proportion equation
9,267,879.63 : 12,789,550.40 = 5,193,578.19 : x - Step 2: Convert to fraction form
9,267,879.63/12,789,550.40 = 5,193,578.19/x - Step 3: Cross multiply
9,267,879.63x = 12,789,550.40 × 5,193,578.19 - Step 4: Simplify right side
9,267,879.63x = 66,423,529,991,377.89 - Step 5: Solve for x
x = 66,423,529,991,377.89/9,267,879.63 - Step 6: Final answer
x = 7,167,068.70
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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.