Finding the Fourth Proportional to 35,540,314.92, 53,310,472.99 and 8,613,970.92
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Solution
The fourth proportional to 35,540,314.92, 53,310,472.99 and 8,613,970.92 is: 12,920,956.53
Step by Step Solution
- Step 1: Write the proportion equation
35,540,314.92 : 53,310,472.99 = 8,613,970.92 : x - Step 2: Convert to fraction form
35,540,314.92/53,310,472.99 = 8,613,970.92/x - Step 3: Cross multiply
35,540,314.92x = 53,310,472.99 × 8,613,970.92 - Step 4: Simplify right side
35,540,314.92x = 459,214,864,045,770.50 - Step 5: Solve for x
x = 459,214,864,045,770.50/35,540,314.92 - Step 6: Final answer
x = 12,920,956.53
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1.5x scale
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.