Finding the Fourth Proportional to 16,016,276.44, 22,102,351.95 and 8,673,940.72
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Solution
The fourth proportional to 16,016,276.44, 22,102,351.95 and 8,673,940.72 is: 11,969,978.87
Step by Step Solution
- Step 1: Write the proportion equation
16,016,276.44 : 22,102,351.95 = 8,673,940.72 : x - Step 2: Convert to fraction form
16,016,276.44/22,102,351.95 = 8,673,940.72/x - Step 3: Cross multiply
16,016,276.44x = 22,102,351.95 × 8,673,940.72 - Step 4: Simplify right side
16,016,276.44x = 191,714,490,586,876.41 - Step 5: Solve for x
x = 191,714,490,586,876.41/16,016,276.44 - Step 6: Final answer
x = 11,969,978.87
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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.