Finding the Fourth Proportional to 24,621,689.98, 33,979,691.37 and 13,608,202.60
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Solution
The fourth proportional to 24,621,689.98, 33,979,691.37 and 13,608,202.60 is: 18,780,291.88
Step by Step Solution
- Step 1: Write the proportion equation
24,621,689.98 : 33,979,691.37 = 13,608,202.60 : x - Step 2: Convert to fraction form
24,621,689.98/33,979,691.37 = 13,608,202.60/x - Step 3: Cross multiply
24,621,689.98x = 33,979,691.37 × 13,608,202.60 - Step 4: Simplify right side
24,621,689.98x = 462,402,524,448,431.50 - Step 5: Solve for x
x = 462,402,524,448,431.50/24,621,689.98 - Step 6: Final answer
x = 18,780,291.88
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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.