Finding the Fourth Proportional to 32,341,397.40, 48,512,096.10 and 13,185,901.80
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Solution
The fourth proportional to 32,341,397.40, 48,512,096.10 and 13,185,901.80 is: 19,778,852.70
Step by Step Solution
- Step 1: Write the proportion equation
32,341,397.40 : 48,512,096.10 = 13,185,901.80 : x - Step 2: Convert to fraction form
32,341,397.40/48,512,096.10 = 13,185,901.80/x - Step 3: Cross multiply
32,341,397.40x = 48,512,096.10 × 13,185,901.80 - Step 4: Simplify right side
32,341,397.40x = 639,675,735,286,763 - Step 5: Solve for x
x = 639,675,735,286,763/32,341,397.40 - Step 6: Final answer
x = 19,778,852.70
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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.