Finding the Fourth Proportional to 10,729,201.55, 14,806,687.49 and 6,146,408.66
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Solution
The fourth proportional to 10,729,201.55, 14,806,687.49 and 6,146,408.66 is: 8,482,266.99
Step by Step Solution
- Step 1: Write the proportion equation
10,729,201.55 : 14,806,687.49 = 6,146,408.66 : x - Step 2: Convert to fraction form
10,729,201.55/14,806,687.49 = 6,146,408.66/x - Step 3: Cross multiply
10,729,201.55x = 14,806,687.49 × 6,146,408.66 - Step 4: Simplify right side
10,729,201.55x = 91,007,952,132,733.22 - Step 5: Solve for x
x = 91,007,952,132,733.22/10,729,201.55 - Step 6: Final answer
x = 8,482,266.99
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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.