Finding the Fourth Proportional to 16,420,949.84, 24,629,076.84 and 5,638,048.40
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Solution
The fourth proportional to 16,420,949.84, 24,629,076.84 and 5,638,048.40 is: 8,456,266.45
Step by Step Solution
- Step 1: Write the proportion equation
16,420,949.84 : 24,629,076.84 = 5,638,048.40 : x - Step 2: Convert to fraction form
16,420,949.84/24,629,076.84 = 5,638,048.40/x - Step 3: Cross multiply
16,420,949.84x = 24,629,076.84 × 5,638,048.40 - Step 4: Simplify right side
16,420,949.84x = 138,859,927,271,239.06 - Step 5: Solve for x
x = 138,859,927,271,239.06/16,420,949.84 - Step 6: Final answer
x = 8,456,266.45
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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.