Finding the Fourth Proportional to 7,647,588.80, 10,553,806.77 and 4,163,027.75
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Solution
The fourth proportional to 7,647,588.80, 10,553,806.77 and 4,163,027.75 is: 5,745,051.36
Step by Step Solution
- Step 1: Write the proportion equation
7,647,588.80 : 10,553,806.77 = 4,163,027.75 : x - Step 2: Convert to fraction form
7,647,588.80/10,553,806.77 = 4,163,027.75/x - Step 3: Cross multiply
7,647,588.80x = 10,553,806.77 × 4,163,027.75 - Step 4: Simplify right side
7,647,588.80x = 43,935,790,451,647.87 - Step 5: Solve for x
x = 43,935,790,451,647.87/7,647,588.80 - Step 6: Final answer
x = 5,745,051.36
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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.