Finding the Fourth Proportional to 32,130,960.12, 44,310,324.78 and 21,098,243.88
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Solution
The fourth proportional to 32,130,960.12, 44,310,324.78 and 21,098,243.88 is: 29,095,614.79
Step by Step Solution
- Step 1: Write the proportion equation
32,130,960.12 : 44,310,324.78 = 21,098,243.88 : x - Step 2: Convert to fraction form
32,130,960.12/44,310,324.78 = 21,098,243.88/x - Step 3: Cross multiply
32,130,960.12x = 44,310,324.78 × 21,098,243.88 - Step 4: Simplify right side
32,130,960.12x = 934,870,038,610,447.38 - Step 5: Solve for x
x = 934,870,038,610,447.38/32,130,960.12 - Step 6: Final answer
x = 29,095,614.79
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1.5x scale
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.