Finding the Fourth Proportional to 16,198,660.50, 22,354,618.05 and 8,955,783.06
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Solution
The fourth proportional to 16,198,660.50, 22,354,618.05 and 8,955,783.06 is: 12,359,238.57
Step by Step Solution
- Step 1: Write the proportion equation
16,198,660.50 : 22,354,618.05 = 8,955,783.06 : x - Step 2: Convert to fraction form
16,198,660.50/22,354,618.05 = 8,955,783.06/x - Step 3: Cross multiply
16,198,660.50x = 22,354,618.05 × 8,955,783.06 - Step 4: Simplify right side
16,198,660.50x = 200,203,109,644,960.25 - Step 5: Solve for x
x = 200,203,109,644,960.25/16,198,660.50 - Step 6: Final answer
x = 12,359,238.57
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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.