Finding the Fourth Proportional to 8,138,894.26, 12,214,246.75 and 6,560,514.49
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Solution
The fourth proportional to 8,138,894.26, 12,214,246.75 and 6,560,514.49 is: 9,845,531.87
Step by Step Solution
- Step 1: Write the proportion equation
8,138,894.26 : 12,214,246.75 = 6,560,514.49 : x - Step 2: Convert to fraction form
8,138,894.26/12,214,246.75 = 6,560,514.49/x - Step 3: Cross multiply
8,138,894.26x = 12,214,246.75 × 6,560,514.49 - Step 4: Simplify right side
8,138,894.26x = 80,131,742,787,810.41 - Step 5: Solve for x
x = 80,131,742,787,810.41/8,138,894.26 - Step 6: Final answer
x = 9,845,531.87
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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.