Finding the Fourth Proportional to 43,596,550.42, 65,372,118.71 and 20,561,299.95
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Solution
The fourth proportional to 43,596,550.42, 65,372,118.71 and 20,561,299.95 is: 30,831,240.74
Step by Step Solution
- Step 1: Write the proportion equation
43,596,550.42 : 65,372,118.71 = 20,561,299.95 : x - Step 2: Convert to fraction form
43,596,550.42/65,372,118.71 = 20,561,299.95/x - Step 3: Cross multiply
43,596,550.42x = 65,372,118.71 × 20,561,299.95 - Step 4: Simplify right side
43,596,550.42x = 1,344,135,741,237,487 - Step 5: Solve for x
x = 1,344,135,741,237,487/43,596,550.42 - Step 6: Final answer
x = 30,831,240.74
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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.