Finding the Fourth Proportional to 29,630,107.78, 40,891,135.36 and 16,576,588.42
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Solution
The fourth proportional to 29,630,107.78, 40,891,135.36 and 16,576,588.42 is: 22,876,579.66
Step by Step Solution
- Step 1: Write the proportion equation
29,630,107.78 : 40,891,135.36 = 16,576,588.42 : x - Step 2: Convert to fraction form
29,630,107.78/40,891,135.36 = 16,576,588.42/x - Step 3: Cross multiply
29,630,107.78x = 40,891,135.36 × 16,576,588.42 - Step 4: Simplify right side
29,630,107.78x = 677,835,520,889,228.50 - Step 5: Solve for x
x = 677,835,520,889,228.50/29,630,107.78 - Step 6: Final answer
x = 22,876,579.66
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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.