Finding the Fourth Proportional to 12,375,284.70, 18,590,920.65 and 8,596,148.70
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Solution
The fourth proportional to 12,375,284.70, 18,590,920.65 and 8,596,148.70 is: 12,913,668.03
Step by Step Solution
- Step 1: Write the proportion equation
12,375,284.70 : 18,590,920.65 = 8,596,148.70 : x - Step 2: Convert to fraction form
12,375,284.70/18,590,920.65 = 8,596,148.70/x - Step 3: Cross multiply
12,375,284.70x = 18,590,920.65 × 8,596,148.70 - Step 4: Simplify right side
12,375,284.70x = 159,810,318,377,300.62 - Step 5: Solve for x
x = 159,810,318,377,300.62/12,375,284.70 - Step 6: Final answer
x = 12,913,668.03
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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.