Finding the Fourth Proportional to 11,636,138.85, 17,454,207.90 and 5,486,689.08
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Solution
The fourth proportional to 11,636,138.85, 17,454,207.90 and 5,486,689.08 is: 8,230,033.44
Step by Step Solution
- Step 1: Write the proportion equation
11,636,138.85 : 17,454,207.90 = 5,486,689.08 : x - Step 2: Convert to fraction form
11,636,138.85/17,454,207.90 = 5,486,689.08/x - Step 3: Cross multiply
11,636,138.85x = 17,454,207.90 × 5,486,689.08 - Step 4: Simplify right side
11,636,138.85x = 95,765,811,884,979.72 - Step 5: Solve for x
x = 95,765,811,884,979.72/11,636,138.85 - Step 6: Final answer
x = 8,230,033.44
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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.