Finding the Fourth Proportional to 15,973,687.08, 22,043,687.67 and 8,631,520.08
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Solution
The fourth proportional to 15,973,687.08, 22,043,687.67 and 8,631,520.08 is: 11,911,497.44
Step by Step Solution
- Step 1: Write the proportion equation
15,973,687.08 : 22,043,687.67 = 8,631,520.08 : x - Step 2: Convert to fraction form
15,973,687.08/22,043,687.67 = 8,631,520.08/x - Step 3: Cross multiply
15,973,687.08x = 22,043,687.67 × 8,631,520.08 - Step 4: Simplify right side
15,973,687.08x = 190,270,532,760,853.44 - Step 5: Solve for x
x = 190,270,532,760,853.44/15,973,687.08 - Step 6: Final answer
x = 11,911,497.44
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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.