Finding the Fourth Proportional to 25,313,193.98, 34,930,394.27 and 14,859,634.69
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Solution
The fourth proportional to 25,313,193.98, 34,930,394.27 and 14,859,634.69 is: 20,505,231.34
Step by Step Solution
- Step 1: Write the proportion equation
25,313,193.98 : 34,930,394.27 = 14,859,634.69 : x - Step 2: Convert to fraction form
25,313,193.98/34,930,394.27 = 14,859,634.69/x - Step 3: Cross multiply
25,313,193.98x = 34,930,394.27 × 14,859,634.69 - Step 4: Simplify right side
25,313,193.98x = 519,052,898,429,869.25 - Step 5: Solve for x
x = 519,052,898,429,869.25/25,313,193.98 - Step 6: Final answer
x = 20,505,231.34
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1.5x scale
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.