Finding the Fourth Proportional to 29,630,106.78, 40,891,133.98 and 16,576,587.42
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Solution
The fourth proportional to 29,630,106.78, 40,891,133.98 and 16,576,587.42 is: 22,876,578.28
Step by Step Solution
- Step 1: Write the proportion equation
29,630,106.78 : 40,891,133.98 = 16,576,587.42 : x - Step 2: Convert to fraction form
29,630,106.78/40,891,133.98 = 16,576,587.42/x - Step 3: Cross multiply
29,630,106.78x = 40,891,133.98 × 16,576,587.42 - Step 4: Simplify right side
29,630,106.78x = 677,835,457,122,402.50 - Step 5: Solve for x
x = 677,835,457,122,402.50/29,630,106.78 - Step 6: Final answer
x = 22,876,578.28
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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.