Finding the Fourth Proportional to 29,949,734.81, 41,330,638.14 and 16,198,698.94
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Solution
The fourth proportional to 29,949,734.81, 41,330,638.14 and 16,198,698.94 is: 22,354,206.75
Step by Step Solution
- Step 1: Write the proportion equation
29,949,734.81 : 41,330,638.14 = 16,198,698.94 : x - Step 2: Convert to fraction form
29,949,734.81/41,330,638.14 = 16,198,698.94/x - Step 3: Cross multiply
29,949,734.81x = 41,330,638.14 × 16,198,698.94 - Step 4: Simplify right side
29,949,734.81x = 669,502,564,155,003.75 - Step 5: Solve for x
x = 669,502,564,155,003.75/29,949,734.81 - Step 6: Final answer
x = 22,354,206.75
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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.