Finding the Fourth Proportional to 32,256,039.40, 48,384,059.10 and 19,490,957.80
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Solution
The fourth proportional to 32,256,039.40, 48,384,059.10 and 19,490,957.80 is: 29,236,436.70
Step by Step Solution
- Step 1: Write the proportion equation
32,256,039.40 : 48,384,059.10 = 19,490,957.80 : x - Step 2: Convert to fraction form
32,256,039.40/48,384,059.10 = 19,490,957.80/x - Step 3: Cross multiply
32,256,039.40x = 48,384,059.10 × 19,490,957.80 - Step 4: Simplify right side
32,256,039.40x = 943,051,654,110,806 - Step 5: Solve for x
x = 943,051,654,110,806/32,256,039.40 - Step 6: Final answer
x = 29,236,436.70
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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.