Finding the Fourth Proportional to 10,116,163.60, 15,174,245.40 and 3,293,379.70
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Solution
The fourth proportional to 10,116,163.60, 15,174,245.40 and 3,293,379.70 is: 4,940,069.55
Step by Step Solution
- Step 1: Write the proportion equation
10,116,163.60 : 15,174,245.40 = 3,293,379.70 : x - Step 2: Convert to fraction form
10,116,163.60/15,174,245.40 = 3,293,379.70/x - Step 3: Cross multiply
10,116,163.60x = 15,174,245.40 × 3,293,379.70 - Step 4: Simplify right side
10,116,163.60x = 49,974,551,763,178.38 - Step 5: Solve for x
x = 49,974,551,763,178.38/10,116,163.60 - Step 6: Final answer
x = 4,940,069.55
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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.