Finding the Fourth Proportional to 32,078,813.70, 48,118,220.55 and 19,324,229.70
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Solution
The fourth proportional to 32,078,813.70, 48,118,220.55 and 19,324,229.70 is: 28,986,344.55
Step by Step Solution
- Step 1: Write the proportion equation
32,078,813.70 : 48,118,220.55 = 19,324,229.70 : x - Step 2: Convert to fraction form
32,078,813.70/48,118,220.55 = 19,324,229.70/x - Step 3: Cross multiply
32,078,813.70x = 48,118,220.55 × 19,324,229.70 - Step 4: Simplify right side
32,078,813.70x = 929,847,546,663,460.25 - Step 5: Solve for x
x = 929,847,546,663,460.25/32,078,813.70 - Step 6: Final answer
x = 28,986,344.55
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Double scale
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Similar ratio
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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.