Finding the Fourth Proportional to 34,720,949.21, 47,892,950.21 and 22,309,711.79
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Solution
The fourth proportional to 34,720,949.21, 47,892,950.21 and 22,309,711.79 is: 30,773,292.21
Step by Step Solution
- Step 1: Write the proportion equation
34,720,949.21 : 47,892,950.21 = 22,309,711.79 : x - Step 2: Convert to fraction form
34,720,949.21/47,892,950.21 = 22,309,711.79/x - Step 3: Cross multiply
34,720,949.21x = 47,892,950.21 × 22,309,711.79 - Step 4: Simplify right side
34,720,949.21x = 1,068,477,915,846,371.38 - Step 5: Solve for x
x = 1,068,477,915,846,371.38/34,720,949.21 - Step 6: Final answer
x = 30,773,292.21
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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.