Finding the Fourth Proportional to 29,621,843.82, 44,416,789.62 and 13,438,965.06
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Solution
The fourth proportional to 29,621,843.82, 44,416,789.62 and 13,438,965.06 is: 20,151,199.48
Step by Step Solution
- Step 1: Write the proportion equation
29,621,843.82 : 44,416,789.62 = 13,438,965.06 : x - Step 2: Convert to fraction form
29,621,843.82/44,416,789.62 = 13,438,965.06/x - Step 3: Cross multiply
29,621,843.82x = 44,416,789.62 × 13,438,965.06 - Step 4: Simplify right side
29,621,843.82x = 596,915,683,780,550.62 - Step 5: Solve for x
x = 596,915,683,780,550.62/29,621,843.82 - Step 6: Final answer
x = 20,151,199.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.