Finding the Fourth Proportional to 43,640,741.25, 65,461,440.03 and 19,373,144.09
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Solution
The fourth proportional to 43,640,741.25, 65,461,440.03 and 19,373,144.09 is: 29,059,861.80
Step by Step Solution
- Step 1: Write the proportion equation
43,640,741.25 : 65,461,440.03 = 19,373,144.09 : x - Step 2: Convert to fraction form
43,640,741.25/65,461,440.03 = 19,373,144.09/x - Step 3: Cross multiply
43,640,741.25x = 65,461,440.03 × 19,373,144.09 - Step 4: Simplify right side
43,640,741.25x = 1,268,193,909,640,127.50 - Step 5: Solve for x
x = 1,268,193,909,640,127.50/43,640,741.25 - Step 6: Final answer
x = 29,059,861.80
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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.