Finding the Fourth Proportional to 22,128,500.20, 33,192,750.30 and 6,982,431.70
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Solution
The fourth proportional to 22,128,500.20, 33,192,750.30 and 6,982,431.70 is: 10,473,647.55
Step by Step Solution
- Step 1: Write the proportion equation
22,128,500.20 : 33,192,750.30 = 6,982,431.70 : x - Step 2: Convert to fraction form
22,128,500.20/33,192,750.30 = 6,982,431.70/x - Step 3: Cross multiply
22,128,500.20x = 33,192,750.30 × 6,982,431.70 - Step 4: Simplify right side
22,128,500.20x = 231,766,111,904,904.53 - Step 5: Solve for x
x = 231,766,111,904,904.53/22,128,500.20 - Step 6: Final answer
x = 10,473,647.55
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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.