Finding the Fourth Proportional to 28,969,965.11, 43,448,206.18 and 10,782,725.49
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Solution
The fourth proportional to 28,969,965.11, 43,448,206.18 and 10,782,725.49 is: 16,171,579.03
Step by Step Solution
- Step 1: Write the proportion equation
28,969,965.11 : 43,448,206.18 = 10,782,725.49 : x - Step 2: Convert to fraction form
28,969,965.11/43,448,206.18 = 10,782,725.49/x - Step 3: Cross multiply
28,969,965.11x = 43,448,206.18 × 10,782,725.49 - Step 4: Simplify right side
28,969,965.11x = 468,490,080,271,861.56 - Step 5: Solve for x
x = 468,490,080,271,861.56/28,969,965.11 - Step 6: Final answer
x = 16,171,579.03
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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.