Finding the Fourth Proportional to 32,805,087.30, 49,207,630.95 and 13,649,591.70
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Solution
The fourth proportional to 32,805,087.30, 49,207,630.95 and 13,649,591.70 is: 20,474,387.55
Step by Step Solution
- Step 1: Write the proportion equation
32,805,087.30 : 49,207,630.95 = 13,649,591.70 : x - Step 2: Convert to fraction form
32,805,087.30/49,207,630.95 = 13,649,591.70/x - Step 3: Cross multiply
32,805,087.30x = 49,207,630.95 × 13,649,591.70 - Step 4: Simplify right side
32,805,087.30x = 671,664,070,991,783.12 - Step 5: Solve for x
x = 671,664,070,991,783.12/32,805,087.30 - Step 6: Final answer
x = 20,474,387.55
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Double scale
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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.