Finding the Fourth Proportional to 11,805,729.50, 16,292,412.63 and 6,578,744.83
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Solution
The fourth proportional to 11,805,729.50, 16,292,412.63 and 6,578,744.83 is: 9,078,949.78
Step by Step Solution
- Step 1: Write the proportion equation
11,805,729.50 : 16,292,412.63 = 6,578,744.83 : x - Step 2: Convert to fraction form
11,805,729.50/16,292,412.63 = 6,578,744.83/x - Step 3: Cross multiply
11,805,729.50x = 16,292,412.63 × 6,578,744.83 - Step 4: Simplify right side
11,805,729.50x = 107,183,625,317,108.17 - Step 5: Solve for x
x = 107,183,625,317,108.17/11,805,729.50 - Step 6: Final answer
x = 9,078,949.78
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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.