Finding the Fourth Proportional to 11,553,455.26, 15,944,266.43 and 6,396,816.66
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Solution
The fourth proportional to 11,553,455.26, 15,944,266.43 and 6,396,816.66 is: 8,827,882.81
Step by Step Solution
- Step 1: Write the proportion equation
11,553,455.26 : 15,944,266.43 = 6,396,816.66 : x - Step 2: Convert to fraction form
11,553,455.26/15,944,266.43 = 6,396,816.66/x - Step 3: Cross multiply
11,553,455.26x = 15,944,266.43 × 6,396,816.66 - Step 4: Simplify right side
11,553,455.26x = 101,992,549,063,115.70 - Step 5: Solve for x
x = 101,992,549,063,115.70/11,553,455.26 - Step 6: Final answer
x = 8,827,882.81
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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.