Finding the Fourth Proportional to 19,542,024.80, 29,313,037.20 and 16,644,687.20
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Solution
The fourth proportional to 19,542,024.80, 29,313,037.20 and 16,644,687.20 is: 24,967,030.80
Step by Step Solution
- Step 1: Write the proportion equation
19,542,024.80 : 29,313,037.20 = 16,644,687.20 : x - Step 2: Convert to fraction form
19,542,024.80/29,313,037.20 = 16,644,687.20/x - Step 3: Cross multiply
19,542,024.80x = 29,313,037.20 × 16,644,687.20 - Step 4: Simplify right side
19,542,024.80x = 487,906,335,075,963.81 - Step 5: Solve for x
x = 487,906,335,075,963.81/19,542,024.80 - Step 6: Final answer
x = 24,967,030.80
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1.5x scale
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.