Finding the Fourth Proportional to 16,016,276.19, 22,102,351.61 and 8,673,940.47
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Solution
The fourth proportional to 16,016,276.19, 22,102,351.61 and 8,673,940.47 is: 11,969,978.53
Step by Step Solution
- Step 1: Write the proportion equation
16,016,276.19 : 22,102,351.61 = 8,673,940.47 : x - Step 2: Convert to fraction form
16,016,276.19/22,102,351.61 = 8,673,940.47/x - Step 3: Cross multiply
16,016,276.19x = 22,102,351.61 × 8,673,940.47 - Step 4: Simplify right side
16,016,276.19x = 191,714,482,068,778.97 - Step 5: Solve for x
x = 191,714,482,068,778.97/16,016,276.19 - Step 6: Final answer
x = 11,969,978.53
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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.