Finding the Fourth Proportional to 25,252,789.08, 34,858,269.77 and 19,659,953.87
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Solution
The fourth proportional to 25,252,789.08, 34,858,269.77 and 19,659,953.87 is: 27,138,070.71
Step by Step Solution
- Step 1: Write the proportion equation
25,252,789.08 : 34,858,269.77 = 19,659,953.87 : x - Step 2: Convert to fraction form
25,252,789.08/34,858,269.77 = 19,659,953.87/x - Step 3: Cross multiply
25,252,789.08x = 34,858,269.77 × 19,659,953.87 - Step 4: Simplify right side
25,252,789.08x = 685,311,975,666,215.62 - Step 5: Solve for x
x = 685,311,975,666,215.62/25,252,789.08 - Step 6: Final answer
x = 27,138,070.71
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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.