Finding the Fourth Proportional to 18,362,522.21, 27,545,325.21 and 5,583,137.63
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Solution
The fourth proportional to 18,362,522.21, 27,545,325.21 and 5,583,137.63 is: 8,375,175.25
Step by Step Solution
- Step 1: Write the proportion equation
18,362,522.21 : 27,545,325.21 = 5,583,137.63 : x - Step 2: Convert to fraction form
18,362,522.21/27,545,325.21 = 5,583,137.63/x - Step 3: Cross multiply
18,362,522.21x = 27,545,325.21 × 5,583,137.63 - Step 4: Simplify right side
18,362,522.21x = 153,789,341,572,812.03 - Step 5: Solve for x
x = 153,789,341,572,812.03/18,362,522.21 - Step 6: Final answer
x = 8,375,175.25
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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.