Finding the Fourth Proportional to 8,168,905.83, 11,272,997.01 and 4,497,745.68
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Solution
The fourth proportional to 8,168,905.83, 11,272,997.01 and 4,497,745.68 is: 6,206,837.81
Step by Step Solution
- Step 1: Write the proportion equation
8,168,905.83 : 11,272,997.01 = 4,497,745.68 : x - Step 2: Convert to fraction form
8,168,905.83/11,272,997.01 = 4,497,745.68/x - Step 3: Cross multiply
8,168,905.83x = 11,272,997.01 × 4,497,745.68 - Step 4: Simplify right side
8,168,905.83x = 50,703,073,602,380.41 - Step 5: Solve for x
x = 50,703,073,602,380.41/8,168,905.83 - Step 6: Final answer
x = 6,206,837.81
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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.