Finding the Fourth Proportional to 9,785,363.20, 14,678,044.80 and 3,394,949.20
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Solution
The fourth proportional to 9,785,363.20, 14,678,044.80 and 3,394,949.20 is: 5,092,423.80
Step by Step Solution
- Step 1: Write the proportion equation
9,785,363.20 : 14,678,044.80 = 3,394,949.20 : x - Step 2: Convert to fraction form
9,785,363.20/14,678,044.80 = 3,394,949.20/x - Step 3: Cross multiply
9,785,363.20x = 14,678,044.80 × 3,394,949.20 - Step 4: Simplify right side
9,785,363.20x = 49,831,216,451,324.16 - Step 5: Solve for x
x = 49,831,216,451,324.16/9,785,363.20 - Step 6: Final answer
x = 5,092,423.80
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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.