Finding the Fourth Proportional to 25,806,789.99, 35,595,238.64 and 16,983,430.09
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Solution
The fourth proportional to 25,806,789.99, 35,595,238.64 and 16,983,430.09 is: 23,425,201.16
Step by Step Solution
- Step 1: Write the proportion equation
25,806,789.99 : 35,595,238.64 = 16,983,430.09 : x - Step 2: Convert to fraction form
25,806,789.99/35,595,238.64 = 16,983,430.09/x - Step 3: Cross multiply
25,806,789.99x = 35,595,238.64 × 16,983,430.09 - Step 4: Simplify right side
25,806,789.99x = 604,529,246,805,401.38 - Step 5: Solve for x
x = 604,529,246,805,401.38/25,806,789.99 - Step 6: Final answer
x = 23,425,201.16
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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.