Finding the Fourth Proportional to 7,471,805.90, 11,207,708.85 and 4,448,497.10
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Solution
The fourth proportional to 7,471,805.90, 11,207,708.85 and 4,448,497.10 is: 6,672,745.65
Step by Step Solution
- Step 1: Write the proportion equation
7,471,805.90 : 11,207,708.85 = 4,448,497.10 : x - Step 2: Convert to fraction form
7,471,805.90/11,207,708.85 = 4,448,497.10/x - Step 3: Cross multiply
7,471,805.90x = 11,207,708.85 × 4,448,497.10 - Step 4: Simplify right side
7,471,805.90x = 49,857,460,316,869.33 - Step 5: Solve for x
x = 49,857,460,316,869.33/7,471,805.90 - Step 6: Final answer
x = 6,672,745.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.