Finding the Fourth Proportional to 8,537,614.62, 12,807,319.05 and 2,780,796.54
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Solution
The fourth proportional to 8,537,614.62, 12,807,319.05 and 2,780,796.54 is: 4,171,487.01
Step by Step Solution
- Step 1: Write the proportion equation
8,537,614.62 : 12,807,319.05 = 2,780,796.54 : x - Step 2: Convert to fraction form
8,537,614.62/12,807,319.05 = 2,780,796.54/x - Step 3: Cross multiply
8,537,614.62x = 12,807,319.05 × 2,780,796.54 - Step 4: Simplify right side
8,537,614.62x = 35,614,548,500,916.09 - Step 5: Solve for x
x = 35,614,548,500,916.09/8,537,614.62 - Step 6: Final answer
x = 4,171,487.01
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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.