Finding the Fourth Proportional to 43,394,596.60, 65,101,836.16 and 18,806,650.44
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Solution
The fourth proportional to 43,394,596.60, 65,101,836.16 and 18,806,650.44 is: 28,214,284.07
Step by Step Solution
- Step 1: Write the proportion equation
43,394,596.60 : 65,101,836.16 = 18,806,650.44 : x - Step 2: Convert to fraction form
43,394,596.60/65,101,836.16 = 18,806,650.44/x - Step 3: Cross multiply
43,394,596.60x = 65,101,836.16 × 18,806,650.44 - Step 4: Simplify right side
43,394,596.60x = 1,224,347,475,663,272 - Step 5: Solve for x
x = 1,224,347,475,663,272/43,394,596.60 - Step 6: Final answer
x = 28,214,284.07
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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.