Finding the Fourth Proportional to 16,388,081.70, 24,582,122.55 and 4,256,549.70
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Solution
The fourth proportional to 16,388,081.70, 24,582,122.55 and 4,256,549.70 is: 6,384,824.55
Step by Step Solution
- Step 1: Write the proportion equation
16,388,081.70 : 24,582,122.55 = 4,256,549.70 : x - Step 2: Convert to fraction form
16,388,081.70/24,582,122.55 = 4,256,549.70/x - Step 3: Cross multiply
16,388,081.70x = 24,582,122.55 × 4,256,549.70 - Step 4: Simplify right side
16,388,081.70x = 104,635,026,365,565.75 - Step 5: Solve for x
x = 104,635,026,365,565.75/16,388,081.70 - Step 6: Final answer
x = 6,384,824.55
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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.