Finding the Fourth Proportional to 16,128,003.10, 24,192,004.65 and 15,580,572.70
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Solution
The fourth proportional to 16,128,003.10, 24,192,004.65 and 15,580,572.70 is: 23,370,859.05
Step by Step Solution
- Step 1: Write the proportion equation
16,128,003.10 : 24,192,004.65 = 15,580,572.70 : x - Step 2: Convert to fraction form
16,128,003.10/24,192,004.65 = 15,580,572.70/x - Step 3: Cross multiply
16,128,003.10x = 24,192,004.65 × 15,580,572.70 - Step 4: Simplify right side
16,128,003.10x = 376,925,287,208,063 - Step 5: Solve for x
x = 376,925,287,208,063/16,128,003.10 - Step 6: Final answer
x = 23,370,859.05
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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.