Finding the Fourth Proportional to 25,949,257.43, 35,809,536.32 and 18,520,597.99
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Solution
The fourth proportional to 25,949,257.43, 35,809,536.32 and 18,520,597.99 is: 25,558,111.95
Step by Step Solution
- Step 1: Write the proportion equation
25,949,257.43 : 35,809,536.32 = 18,520,597.99 : x - Step 2: Convert to fraction form
25,949,257.43/35,809,536.32 = 18,520,597.99/x - Step 3: Cross multiply
25,949,257.43x = 35,809,536.32 × 18,520,597.99 - Step 4: Simplify right side
25,949,257.43x = 663,214,026,391,024 - Step 5: Solve for x
x = 663,214,026,391,024/25,949,257.43 - Step 6: Final answer
x = 25,558,111.95
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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.