Finding the Fourth Proportional to 10,327,711.36, 14,251,791.09 and 5,681,201.86
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Solution
The fourth proportional to 10,327,711.36, 14,251,791.09 and 5,681,201.86 is: 7,839,810.70
Step by Step Solution
- Step 1: Write the proportion equation
10,327,711.36 : 14,251,791.09 = 5,681,201.86 : x - Step 2: Convert to fraction form
10,327,711.36/14,251,791.09 = 5,681,201.86/x - Step 3: Cross multiply
10,327,711.36x = 14,251,791.09 × 5,681,201.86 - Step 4: Simplify right side
10,327,711.36x = 80,967,302,048,839.44 - Step 5: Solve for x
x = 80,967,302,048,839.44/10,327,711.36 - Step 6: Final answer
x = 7,839,810.70
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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.