Finding the Fourth Proportional to 11,553,771.44, 15,944,703.04 and 6,397,133.20
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Solution
The fourth proportional to 11,553,771.44, 15,944,703.04 and 6,397,133.20 is: 8,828,319.80
Step by Step Solution
- Step 1: Write the proportion equation
11,553,771.44 : 15,944,703.04 = 6,397,133.20 : x - Step 2: Convert to fraction form
11,553,771.44/15,944,703.04 = 6,397,133.20/x - Step 3: Cross multiply
11,553,771.44x = 15,944,703.04 × 6,397,133.20 - Step 4: Simplify right side
11,553,771.44x = 102,000,389,181,324.92 - Step 5: Solve for x
x = 102,000,389,181,324.92/11,553,771.44 - Step 6: Final answer
x = 8,828,319.80
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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.