Finding the Fourth Proportional to 7,413,546.11, 11,128,179.67 and 6,566,119.11
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Solution
The fourth proportional to 7,413,546.11, 11,128,179.67 and 6,566,119.11 is: 9,856,140.66
Step by Step Solution
- Step 1: Write the proportion equation
7,413,546.11 : 11,128,179.67 = 6,566,119.11 : x - Step 2: Convert to fraction form
7,413,546.11/11,128,179.67 = 6,566,119.11/x - Step 3: Cross multiply
7,413,546.11x = 11,128,179.67 × 6,566,119.11 - Step 4: Simplify right side
7,413,546.11x = 73,068,953,174,285.20 - Step 5: Solve for x
x = 73,068,953,174,285.20/7,413,546.11 - Step 6: Final answer
x = 9,856,140.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.