Finding the Fourth Proportional to 8,537,743.26, 11,781,930.90 and 4,670,230.56
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Solution
The fourth proportional to 8,537,743.26, 11,781,930.90 and 4,670,230.56 is: 6,444,833.50
Step by Step Solution
- Step 1: Write the proportion equation
8,537,743.26 : 11,781,930.90 = 4,670,230.56 : x - Step 2: Convert to fraction form
8,537,743.26/11,781,930.90 = 4,670,230.56/x - Step 3: Cross multiply
8,537,743.26x = 11,781,930.90 × 4,670,230.56 - Step 4: Simplify right side
8,537,743.26x = 55,024,333,744,988.30 - Step 5: Solve for x
x = 55,024,333,744,988.30/8,537,743.26 - Step 6: Final answer
x = 6,444,833.50
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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.