Finding the Fourth Proportional to 13,524,435.48, 18,665,724.18 and 8,563,338
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Solution
The fourth proportional to 13,524,435.48, 18,665,724.18 and 8,563,338 is: 11,818,674.83
Step by Step Solution
- Step 1: Write the proportion equation
13,524,435.48 : 18,665,724.18 = 8,563,338 : x - Step 2: Convert to fraction form
13,524,435.48/18,665,724.18 = 8,563,338/x - Step 3: Cross multiply
13,524,435.48x = 18,665,724.18 × 8,563,338 - Step 4: Simplify right side
13,524,435.48x = 159,840,905,168,112.84 - Step 5: Solve for x
x = 159,840,905,168,112.84/13,524,435.48 - Step 6: Final answer
x = 11,818,674.83
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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.