Finding the Fourth Proportional to 14,576,546.76, 20,115,786.18 and 8,050,341.96
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Solution
The fourth proportional to 14,576,546.76, 20,115,786.18 and 8,050,341.96 is: 11,109,555.66
Step by Step Solution
- Step 1: Write the proportion equation
14,576,546.76 : 20,115,786.18 = 8,050,341.96 : x - Step 2: Convert to fraction form
14,576,546.76/20,115,786.18 = 8,050,341.96/x - Step 3: Cross multiply
14,576,546.76x = 20,115,786.18 × 8,050,341.96 - Step 4: Simplify right side
14,576,546.76x = 161,938,957,543,242.12 - Step 5: Solve for x
x = 161,938,957,543,242.12/14,576,546.76 - Step 6: Final answer
x = 11,109,555.66
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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.