Finding the Fourth Proportional to 11,420,949.31, 17,135,910.05 and 5,026,718.99
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Solution
The fourth proportional to 11,420,949.31, 17,135,910.05 and 5,026,718.99 is: 7,542,052.96
Step by Step Solution
- Step 1: Write the proportion equation
11,420,949.31 : 17,135,910.05 = 5,026,718.99 : x - Step 2: Convert to fraction form
11,420,949.31/17,135,910.05 = 5,026,718.99/x - Step 3: Cross multiply
11,420,949.31x = 17,135,910.05 × 5,026,718.99 - Step 4: Simplify right side
11,420,949.31x = 86,137,404,476,973.03 - Step 5: Solve for x
x = 86,137,404,476,973.03/11,420,949.31 - Step 6: Final answer
x = 7,542,052.96
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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.