Finding the Fourth Proportional to 7,623,440.94, 11,410,589.25 and 4,206,355.50
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Solution
The fourth proportional to 7,623,440.94, 11,410,589.25 and 4,206,355.50 is: 6,295,975.17
Step by Step Solution
- Step 1: Write the proportion equation
7,623,440.94 : 11,410,589.25 = 4,206,355.50 : x - Step 2: Convert to fraction form
7,623,440.94/11,410,589.25 = 4,206,355.50/x - Step 3: Cross multiply
7,623,440.94x = 11,410,589.25 × 4,206,355.50 - Step 4: Simplify right side
7,623,440.94x = 47,996,994,849,978.38 - Step 5: Solve for x
x = 47,996,994,849,978.38/7,623,440.94 - Step 6: Final answer
x = 6,295,975.17
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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.