Finding the Fourth Proportional to 13,524,826.08, 18,666,173.76 and 8,369,847.84
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Solution
The fourth proportional to 13,524,826.08, 18,666,173.76 and 8,369,847.84 is: 11,551,574.36
Step by Step Solution
- Step 1: Write the proportion equation
13,524,826.08 : 18,666,173.76 = 8,369,847.84 : x - Step 2: Convert to fraction form
13,524,826.08/18,666,173.76 = 8,369,847.84/x - Step 3: Cross multiply
13,524,826.08x = 18,666,173.76 × 8,369,847.84 - Step 4: Simplify right side
13,524,826.08x = 156,233,034,126,200.69 - Step 5: Solve for x
x = 156,233,034,126,200.69/13,524,826.08 - Step 6: Final answer
x = 11,551,574.36
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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.