Finding the Fourth Proportional to 10,952,138.70, 16,428,208.05 and 4,560,266.70
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Solution
The fourth proportional to 10,952,138.70, 16,428,208.05 and 4,560,266.70 is: 6,840,400.05
Step by Step Solution
- Step 1: Write the proportion equation
10,952,138.70 : 16,428,208.05 = 4,560,266.70 : x - Step 2: Convert to fraction form
10,952,138.70/16,428,208.05 = 4,560,266.70/x - Step 3: Cross multiply
10,952,138.70x = 16,428,208.05 × 4,560,266.70 - Step 4: Simplify right side
10,952,138.70x = 74,917,010,111,086.94 - Step 5: Solve for x
x = 74,917,010,111,086.94/10,952,138.70 - Step 6: Final answer
x = 6,840,400.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.