Finding the Fourth Proportional to 8,343,652.96, 12,517,432.25 and 2,586,085.68
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Solution
The fourth proportional to 8,343,652.96, 12,517,432.25 and 2,586,085.68 is: 3,879,733.79
Step by Step Solution
- Step 1: Write the proportion equation
8,343,652.96 : 12,517,432.25 = 2,586,085.68 : x - Step 2: Convert to fraction form
8,343,652.96/12,517,432.25 = 2,586,085.68/x - Step 3: Cross multiply
8,343,652.96x = 12,517,432.25 × 2,586,085.68 - Step 4: Simplify right side
8,343,652.96x = 32,371,152,292,095.18 - Step 5: Solve for x
x = 32,371,152,292,095.18/8,343,652.96 - Step 6: Final answer
x = 3,879,733.79
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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.