Finding the Fourth Proportional to 18,168,889.60, 27,216,592.80 and 11,324,454.40
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Solution
The fourth proportional to 18,168,889.60, 27,216,592.80 and 11,324,454.40 is: 16,963,780.99
Step by Step Solution
- Step 1: Write the proportion equation
18,168,889.60 : 27,216,592.80 = 11,324,454.40 : x - Step 2: Convert to fraction form
18,168,889.60/27,216,592.80 = 11,324,454.40/x - Step 3: Cross multiply
18,168,889.60x = 27,216,592.80 × 11,324,454.40 - Step 4: Simplify right side
18,168,889.60x = 308,213,064,086,968.31 - Step 5: Solve for x
x = 308,213,064,086,968.31/18,168,889.60 - Step 6: Final answer
x = 16,963,780.99
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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.