Finding the Fourth Proportional to 25,131,498.63, 34,679,424.38 and 14,117,649.99
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Solution
The fourth proportional to 25,131,498.63, 34,679,424.38 and 14,117,649.99 is: 19,481,208.92
Step by Step Solution
- Step 1: Write the proportion equation
25,131,498.63 : 34,679,424.38 = 14,117,649.99 : x - Step 2: Convert to fraction form
25,131,498.63/34,679,424.38 = 14,117,649.99/x - Step 3: Cross multiply
25,131,498.63x = 34,679,424.38 × 14,117,649.99 - Step 4: Simplify right side
25,131,498.63x = 489,591,975,147,167.12 - Step 5: Solve for x
x = 489,591,975,147,167.12/25,131,498.63 - Step 6: Final answer
x = 19,481,208.92
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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.