Finding the Fourth Proportional to 18,836,752, 28,259,340 and 6,869,488
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Solution
The fourth proportional to 18,836,752, 28,259,340 and 6,869,488 is: 10,305,768.05
Step by Step Solution
- Step 1: Write the proportion equation
18,836,752 : 28,259,340 = 6,869,488 : x - Step 2: Convert to fraction form
18,836,752/28,259,340 = 6,869,488/x - Step 3: Cross multiply
18,836,752x = 28,259,340 × 6,869,488 - Step 4: Simplify right side
18,836,752x = 194,127,197,017,920 - Step 5: Solve for x
x = 194,127,197,017,920/18,836,752 - Step 6: Final answer
x = 10,305,768.05
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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.