Finding the Fourth Proportional to 7,381,315.44, 10,185,984.36 and 4,327,563.60
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Solution
The fourth proportional to 7,381,315.44, 10,185,984.36 and 4,327,563.60 is: 5,971,902.37
Step by Step Solution
- Step 1: Write the proportion equation
7,381,315.44 : 10,185,984.36 = 4,327,563.60 : x - Step 2: Convert to fraction form
7,381,315.44/10,185,984.36 = 4,327,563.60/x - Step 3: Cross multiply
7,381,315.44x = 10,185,984.36 × 4,327,563.60 - Step 4: Simplify right side
7,381,315.44x = 44,080,495,146,505.29 - Step 5: Solve for x
x = 44,080,495,146,505.29/7,381,315.44 - Step 6: Final answer
x = 5,971,902.37
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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.