Finding the Fourth Proportional to 32,177,432.40, 48,266,148.60 and 28,930,174.80
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Solution
The fourth proportional to 32,177,432.40, 48,266,148.60 and 28,930,174.80 is: 43,395,262.20
Step by Step Solution
- Step 1: Write the proportion equation
32,177,432.40 : 48,266,148.60 = 28,930,174.80 : x - Step 2: Convert to fraction form
32,177,432.40/48,266,148.60 = 28,930,174.80/x - Step 3: Cross multiply
32,177,432.40x = 48,266,148.60 × 28,930,174.80 - Step 4: Simplify right side
32,177,432.40x = 1,396,348,115,920,775.25 - Step 5: Solve for x
x = 1,396,348,115,920,775.25/32,177,432.40 - Step 6: Final answer
x = 43,395,262.20
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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.