Finding the Fourth Proportional to 8,119,578.92, 11,205,027.68 and 4,398,418.67
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Solution
The fourth proportional to 8,119,578.92, 11,205,027.68 and 4,398,418.67 is: 6,069,822.51
Step by Step Solution
- Step 1: Write the proportion equation
8,119,578.92 : 11,205,027.68 = 4,398,418.67 : x - Step 2: Convert to fraction form
8,119,578.92/11,205,027.68 = 4,398,418.67/x - Step 3: Cross multiply
8,119,578.92x = 11,205,027.68 × 4,398,418.67 - Step 4: Simplify right side
8,119,578.92x = 49,284,402,867,561.55 - Step 5: Solve for x
x = 49,284,402,867,561.55/8,119,578.92 - Step 6: Final answer
x = 6,069,822.51
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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.