Finding the Fourth Proportional to 7,662,502.20, 10,574,324.42 and 4,224,865.44
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Solution
The fourth proportional to 7,662,502.20, 10,574,324.42 and 4,224,865.44 is: 5,830,353.67
Step by Step Solution
- Step 1: Write the proportion equation
7,662,502.20 : 10,574,324.42 = 4,224,865.44 : x - Step 2: Convert to fraction form
7,662,502.20/10,574,324.42 = 4,224,865.44/x - Step 3: Cross multiply
7,662,502.20x = 10,574,324.42 × 4,224,865.44 - Step 4: Simplify right side
7,662,502.20x = 44,675,097,793,406.05 - Step 5: Solve for x
x = 44,675,097,793,406.05/7,662,502.20 - Step 6: Final answer
x = 5,830,353.67
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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.