Finding the Fourth Proportional to 9,163,399.36, 12,635,128.11 and 5,851,338.52
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Solution
The fourth proportional to 9,163,399.36, 12,635,128.11 and 5,851,338.52 is: 8,068,229.80
Step by Step Solution
- Step 1: Write the proportion equation
9,163,399.36 : 12,635,128.11 = 5,851,338.52 : x - Step 2: Convert to fraction form
9,163,399.36/12,635,128.11 = 5,851,338.52/x - Step 3: Cross multiply
9,163,399.36x = 12,635,128.11 × 5,851,338.52 - Step 4: Simplify right side
9,163,399.36x = 73,932,411,815,177.78 - Step 5: Solve for x
x = 73,932,411,815,177.78/9,163,399.36 - Step 6: Final answer
x = 8,068,229.80
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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.