Finding the Fourth Proportional to 13,372,361.64, 18,453,341.70 and 7,260,650.28
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Solution
The fourth proportional to 13,372,361.64, 18,453,341.70 and 7,260,650.28 is: 10,019,416.48
Step by Step Solution
- Step 1: Write the proportion equation
13,372,361.64 : 18,453,341.70 = 7,260,650.28 : x - Step 2: Convert to fraction form
13,372,361.64/18,453,341.70 = 7,260,650.28/x - Step 3: Cross multiply
13,372,361.64x = 18,453,341.70 × 7,260,650.28 - Step 4: Simplify right side
13,372,361.64x = 133,983,260,581,040.67 - Step 5: Solve for x
x = 133,983,260,581,040.67/13,372,361.64 - Step 6: Final answer
x = 10,019,416.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.