Finding the Fourth Proportional to 10,114,403.40, 15,171,605.10 and 2,926,171.80
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Solution
The fourth proportional to 10,114,403.40, 15,171,605.10 and 2,926,171.80 is: 4,389,257.70
Step by Step Solution
- Step 1: Write the proportion equation
10,114,403.40 : 15,171,605.10 = 2,926,171.80 : x - Step 2: Convert to fraction form
10,114,403.40/15,171,605.10 = 2,926,171.80/x - Step 3: Cross multiply
10,114,403.40x = 15,171,605.10 × 2,926,171.80 - Step 4: Simplify right side
10,114,403.40x = 44,394,723,004,356.18 - Step 5: Solve for x
x = 44,394,723,004,356.18/10,114,403.40 - Step 6: Final answer
x = 4,389,257.70
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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.