Finding the Fourth Proportional to 10,775,105.54, 14,869,960.66 and 5,880,641.92
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Solution
The fourth proportional to 10,775,105.54, 14,869,960.66 and 5,880,641.92 is: 8,115,457.77
Step by Step Solution
- Step 1: Write the proportion equation
10,775,105.54 : 14,869,960.66 = 5,880,641.92 : x - Step 2: Convert to fraction form
10,775,105.54/14,869,960.66 = 5,880,641.92/x - Step 3: Cross multiply
10,775,105.54x = 14,869,960.66 × 5,880,641.92 - Step 4: Simplify right side
10,775,105.54x = 87,444,913,976,122.78 - Step 5: Solve for x
x = 87,444,913,976,122.78/10,775,105.54 - Step 6: Final answer
x = 8,115,457.77
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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.