Finding the Fourth Proportional to 7,715,144.19, 11,571,242.11 and 3,875,900.73
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Solution
The fourth proportional to 7,715,144.19, 11,571,242.11 and 3,875,900.73 is: 5,813,110.50
Step by Step Solution
- Step 1: Write the proportion equation
7,715,144.19 : 11,571,242.11 = 3,875,900.73 : x - Step 2: Convert to fraction form
7,715,144.19/11,571,242.11 = 3,875,900.73/x - Step 3: Cross multiply
7,715,144.19x = 11,571,242.11 × 3,875,900.73 - Step 4: Simplify right side
7,715,144.19x = 44,848,985,688,073.83 - Step 5: Solve for x
x = 44,848,985,688,073.83/7,715,144.19 - Step 6: Final answer
x = 5,813,110.50
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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.