Finding the Fourth Proportional to 14,081,690.63, 19,435,765.42 and 8,576,880.41
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Solution
The fourth proportional to 14,081,690.63, 19,435,765.42 and 8,576,880.41 is: 11,837,941.91
Step by Step Solution
- Step 1: Write the proportion equation
14,081,690.63 : 19,435,765.42 = 8,576,880.41 : x - Step 2: Convert to fraction form
14,081,690.63/19,435,765.42 = 8,576,880.41/x - Step 3: Cross multiply
14,081,690.63x = 19,435,765.42 × 8,576,880.41 - Step 4: Simplify right side
14,081,690.63x = 166,698,235,743,463.94 - Step 5: Solve for x
x = 166,698,235,743,463.94/14,081,690.63 - Step 6: Final answer
x = 11,837,941.91
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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.