Finding the Fourth Proportional to 36,782,137.68, 50,760,924.84 and 20,484,613.68
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Solution
The fourth proportional to 36,782,137.68, 50,760,924.84 and 20,484,613.68 is: 28,269,643.94
Step by Step Solution
- Step 1: Write the proportion equation
36,782,137.68 : 50,760,924.84 = 20,484,613.68 : x - Step 2: Convert to fraction form
36,782,137.68/50,760,924.84 = 20,484,613.68/x - Step 3: Cross multiply
36,782,137.68x = 50,760,924.84 × 20,484,613.68 - Step 4: Simplify right side
36,782,137.68x = 1,039,817,935,386,915.88 - Step 5: Solve for x
x = 1,039,817,935,386,915.88/36,782,137.68 - Step 6: Final answer
x = 28,269,643.94
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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.