Finding the Fourth Proportional to 19,642,221.62, 29,413,025.24 and 16,395,687.08
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Solution
The fourth proportional to 19,642,221.62, 29,413,025.24 and 16,395,687.08 is: 24,551,538.38
Step by Step Solution
- Step 1: Write the proportion equation
19,642,221.62 : 29,413,025.24 = 16,395,687.08 : x - Step 2: Convert to fraction form
19,642,221.62/29,413,025.24 = 16,395,687.08/x - Step 3: Cross multiply
19,642,221.62x = 29,413,025.24 × 16,395,687.08 - Step 4: Simplify right side
19,642,221.62x = 482,246,757,911,181.88 - Step 5: Solve for x
x = 482,246,757,911,181.88/19,642,221.62 - Step 6: Final answer
x = 24,551,538.38
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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.