Finding the Fourth Proportional to 31,993,100.08, 44,149,386.36 and 18,246,492.88
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Solution
The fourth proportional to 31,993,100.08, 44,149,386.36 and 18,246,492.88 is: 25,179,537.52
Step by Step Solution
- Step 1: Write the proportion equation
31,993,100.08 : 44,149,386.36 = 18,246,492.88 : x - Step 2: Convert to fraction form
31,993,100.08/44,149,386.36 = 18,246,492.88/x - Step 3: Cross multiply
31,993,100.08x = 44,149,386.36 × 18,246,492.88 - Step 4: Simplify right side
31,993,100.08x = 805,571,463,874,109 - Step 5: Solve for x
x = 805,571,463,874,109/31,993,100.08 - Step 6: Final answer
x = 25,179,537.52
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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.