Finding the Fourth Proportional to 25,115,899.20, 37,617,861.60 and 19,405,204.80
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Solution
The fourth proportional to 25,115,899.20, 37,617,861.60 and 19,405,204.80 is: 29,064,550.02
Step by Step Solution
- Step 1: Write the proportion equation
25,115,899.20 : 37,617,861.60 = 19,405,204.80 : x - Step 2: Convert to fraction form
25,115,899.20/37,617,861.60 = 19,405,204.80/x - Step 3: Cross multiply
25,115,899.20x = 37,617,861.60 × 19,405,204.80 - Step 4: Simplify right side
25,115,899.20x = 729,982,308,486,055.75 - Step 5: Solve for x
x = 729,982,308,486,055.75/25,115,899.20 - Step 6: Final answer
x = 29,064,550.02
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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.