Finding the Fourth Proportional to 16,477,239.36, 22,732,102.80 and 10,278,678.72
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Solution
The fourth proportional to 16,477,239.36, 22,732,102.80 and 10,278,678.72 is: 14,180,529.65
Step by Step Solution
- Step 1: Write the proportion equation
16,477,239.36 : 22,732,102.80 = 10,278,678.72 : x - Step 2: Convert to fraction form
16,477,239.36/22,732,102.80 = 10,278,678.72/x - Step 3: Cross multiply
16,477,239.36x = 22,732,102.80 × 10,278,678.72 - Step 4: Simplify right side
16,477,239.36x = 233,655,981,311,212.44 - Step 5: Solve for x
x = 233,655,981,311,212.44/16,477,239.36 - Step 6: Final answer
x = 14,180,529.65
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1.5x scale
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.