Finding the Fourth Proportional to 11,291,640.67, 15,582,605.84 and 6,135,088.33
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Solution
The fourth proportional to 11,291,640.67, 15,582,605.84 and 6,135,088.33 is: 8,466,498.89
Step by Step Solution
- Step 1: Write the proportion equation
11,291,640.67 : 15,582,605.84 = 6,135,088.33 : x - Step 2: Convert to fraction form
11,291,640.67/15,582,605.84 = 6,135,088.33/x - Step 3: Cross multiply
11,291,640.67x = 15,582,605.84 × 6,135,088.33 - Step 4: Simplify right side
11,291,640.67x = 95,600,663,216,355.05 - Step 5: Solve for x
x = 95,600,663,216,355.05/11,291,640.67 - Step 6: Final answer
x = 8,466,498.89
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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.