Finding the Fourth Proportional to 20,755,519.09, 31,106,273.97 and 8,445,135.98
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Solution
The fourth proportional to 20,755,519.09, 31,106,273.97 and 8,445,135.98 is: 12,656,716.15
Step by Step Solution
- Step 1: Write the proportion equation
20,755,519.09 : 31,106,273.97 = 8,445,135.98 : x - Step 2: Convert to fraction form
20,755,519.09/31,106,273.97 = 8,445,135.98/x - Step 3: Cross multiply
20,755,519.09x = 31,106,273.97 × 8,445,135.98 - Step 4: Simplify right side
20,755,519.09x = 262,696,713,507,784.44 - Step 5: Solve for x
x = 262,696,713,507,784.44/20,755,519.09 - Step 6: Final answer
x = 12,656,716.15
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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.