Finding the Fourth Proportional to 16,128,370.10, 24,192,555.15 and 15,580,939.70
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Solution
The fourth proportional to 16,128,370.10, 24,192,555.15 and 15,580,939.70 is: 23,371,409.55
Step by Step Solution
- Step 1: Write the proportion equation
16,128,370.10 : 24,192,555.15 = 15,580,939.70 : x - Step 2: Convert to fraction form
16,128,370.10/24,192,555.15 = 15,580,939.70/x - Step 3: Cross multiply
16,128,370.10x = 24,192,555.15 × 15,580,939.70 - Step 4: Simplify right side
16,128,370.10x = 376,942,742,981,074.44 - Step 5: Solve for x
x = 376,942,742,981,074.44/16,128,370.10 - Step 6: Final answer
x = 23,371,409.55
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1.5x scale
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.