Finding the Fourth Proportional to 18,536,394.20, 27,804,591.30 and 5,758,190.60
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Solution
The fourth proportional to 18,536,394.20, 27,804,591.30 and 5,758,190.60 is: 8,637,285.90
Step by Step Solution
- Step 1: Write the proportion equation
18,536,394.20 : 27,804,591.30 = 5,758,190.60 : x - Step 2: Convert to fraction form
18,536,394.20/27,804,591.30 = 5,758,190.60/x - Step 3: Cross multiply
18,536,394.20x = 27,804,591.30 × 5,758,190.60 - Step 4: Simplify right side
18,536,394.20x = 160,104,136,260,501.78 - Step 5: Solve for x
x = 160,104,136,260,501.78/18,536,394.20 - Step 6: Final answer
x = 8,637,285.90
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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.