Finding the Fourth Proportional to 8,284,707.63, 11,430,586.62 and 5,343,280.11
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Solution
The fourth proportional to 8,284,707.63, 11,430,586.62 and 5,343,280.11 is: 7,372,236.76
Step by Step Solution
- Step 1: Write the proportion equation
8,284,707.63 : 11,430,586.62 = 5,343,280.11 : x - Step 2: Convert to fraction form
8,284,707.63/11,430,586.62 = 5,343,280.11/x - Step 3: Cross multiply
8,284,707.63x = 11,430,586.62 × 5,343,280.11 - Step 4: Simplify right side
8,284,707.63x = 61,076,826,132,278.12 - Step 5: Solve for x
x = 61,076,826,132,278.12/8,284,707.63 - Step 6: Final answer
x = 7,372,236.76
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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.