Finding the Fourth Proportional to 10,738,220.63, 14,818,746.89 and 5,909,324.63
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Solution
The fourth proportional to 10,738,220.63, 14,818,746.89 and 5,909,324.63 is: 8,154,869.32
Step by Step Solution
- Step 1: Write the proportion equation
10,738,220.63 : 14,818,746.89 = 5,909,324.63 : x - Step 2: Convert to fraction form
10,738,220.63/14,818,746.89 = 5,909,324.63/x - Step 3: Cross multiply
10,738,220.63x = 14,818,746.89 × 5,909,324.63 - Step 4: Simplify right side
10,738,220.63x = 87,568,785,923,492.48 - Step 5: Solve for x
x = 87,568,785,923,492.48/10,738,220.63 - Step 6: Final answer
x = 8,154,869.32
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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.