Finding the Fourth Proportional to 27,203,902.05, 40,752,708.98 and 16,389,077.70
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Solution
The fourth proportional to 27,203,902.05, 40,752,708.98 and 16,389,077.70 is: 24,551,599.72
Step by Step Solution
- Step 1: Write the proportion equation
27,203,902.05 : 40,752,708.98 = 16,389,077.70 : x - Step 2: Convert to fraction form
27,203,902.05/40,752,708.98 = 16,389,077.70/x - Step 3: Cross multiply
27,203,902.05x = 40,752,708.98 × 16,389,077.70 - Step 4: Simplify right side
27,203,902.05x = 667,899,313,876,762.38 - Step 5: Solve for x
x = 667,899,313,876,762.38/27,203,902.05 - Step 6: Final answer
x = 24,551,599.72
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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.