Finding the Fourth Proportional to 13,295,725.20, 18,344,976.53 and 8,068,614.98
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Solution
The fourth proportional to 13,295,725.20, 18,344,976.53 and 8,068,614.98 is: 11,132,792.69
Step by Step Solution
- Step 1: Write the proportion equation
13,295,725.20 : 18,344,976.53 = 8,068,614.98 : x - Step 2: Convert to fraction form
13,295,725.20/18,344,976.53 = 8,068,614.98/x - Step 3: Cross multiply
13,295,725.20x = 18,344,976.53 × 8,068,614.98 - Step 4: Simplify right side
13,295,725.20x = 148,018,552,305,638.44 - Step 5: Solve for x
x = 148,018,552,305,638.44/13,295,725.20 - Step 6: Final answer
x = 11,132,792.69
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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.