Finding the Fourth Proportional to 29,628,676, 40,887,271.64 and 16,397,878.64
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Solution
The fourth proportional to 29,628,676, 40,887,271.64 and 16,397,878.64 is: 22,628,905.80
Step by Step Solution
- Step 1: Write the proportion equation
29,628,676 : 40,887,271.64 = 16,397,878.64 : x - Step 2: Convert to fraction form
29,628,676/40,887,271.64 = 16,397,878.64/x - Step 3: Cross multiply
29,628,676x = 40,887,271.64 × 16,397,878.64 - Step 4: Simplify right side
29,628,676x = 670,464,518,273,433.75 - Step 5: Solve for x
x = 670,464,518,273,433.75/29,628,676 - Step 6: Final answer
x = 22,628,905.80
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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.