Finding the Fourth Proportional to 32,341,134.40, 48,511,701.60 and 13,185,638.80
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Solution
The fourth proportional to 32,341,134.40, 48,511,701.60 and 13,185,638.80 is: 19,778,458.20
Step by Step Solution
- Step 1: Write the proportion equation
32,341,134.40 : 48,511,701.60 = 13,185,638.80 : x - Step 2: Convert to fraction form
32,341,134.40/48,511,701.60 = 13,185,638.80/x - Step 3: Cross multiply
32,341,134.40x = 48,511,701.60 × 13,185,638.80 - Step 4: Simplify right side
32,341,134.40x = 639,657,774,870,982.12 - Step 5: Solve for x
x = 639,657,774,870,982.12/32,341,134.40 - Step 6: Final answer
x = 19,778,458.20
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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.