Finding the Fourth Proportional to 11,550,983.43, 15,940,545.34 and 6,323,903.99
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Solution
The fourth proportional to 11,550,983.43, 15,940,545.34 and 6,323,903.99 is: 8,727,090.54
Step by Step Solution
- Step 1: Write the proportion equation
11,550,983.43 : 15,940,545.34 = 6,323,903.99 : x - Step 2: Convert to fraction form
11,550,983.43/15,940,545.34 = 6,323,903.99/x - Step 3: Cross multiply
11,550,983.43x = 15,940,545.34 × 6,323,903.99 - Step 4: Simplify right side
11,550,983.43x = 100,806,478,198,699.19 - Step 5: Solve for x
x = 100,806,478,198,699.19/11,550,983.43 - Step 6: Final answer
x = 8,727,090.54
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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.