Finding the Fourth Proportional to 40,284,608.40, 60,444,771.48 and 21,110,806.80
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Solution
The fourth proportional to 40,284,608.40, 60,444,771.48 and 21,110,806.80 is: 31,675,568.99
Step by Step Solution
- Step 1: Write the proportion equation
40,284,608.40 : 60,444,771.48 = 21,110,806.80 : x - Step 2: Convert to fraction form
40,284,608.40/60,444,771.48 = 21,110,806.80/x - Step 3: Cross multiply
40,284,608.40x = 60,444,771.48 × 21,110,806.80 - Step 4: Simplify right side
40,284,608.40x = 1,276,037,892,784,430 - Step 5: Solve for x
x = 1,276,037,892,784,430/40,284,608.40 - Step 6: Final answer
x = 31,675,568.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.