Finding the Fourth Proportional to 11,991,359.70, 16,553,480.49 and 7,646,286.42
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Solution
The fourth proportional to 11,991,359.70, 16,553,480.49 and 7,646,286.42 is: 10,555,321.18
Step by Step Solution
- Step 1: Write the proportion equation
11,991,359.70 : 16,553,480.49 = 7,646,286.42 : x - Step 2: Convert to fraction form
11,991,359.70/16,553,480.49 = 7,646,286.42/x - Step 3: Cross multiply
11,991,359.70x = 16,553,480.49 × 7,646,286.42 - Step 4: Simplify right side
11,991,359.70x = 126,572,653,074,421.95 - Step 5: Solve for x
x = 126,572,653,074,421.95/11,991,359.70 - Step 6: Final answer
x = 10,555,321.18
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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.