Finding the Fourth Proportional to 7,784,163.79, 11,677,359.99 and 2,393,266.80
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Solution
The fourth proportional to 7,784,163.79, 11,677,359.99 and 2,393,266.80 is: 3,590,242.80
Step by Step Solution
- Step 1: Write the proportion equation
7,784,163.79 : 11,677,359.99 = 2,393,266.80 : x - Step 2: Convert to fraction form
7,784,163.79/11,677,359.99 = 2,393,266.80/x - Step 3: Cross multiply
7,784,163.79x = 11,677,359.99 × 2,393,266.80 - Step 4: Simplify right side
7,784,163.79x = 27,947,038,015,018.05 - Step 5: Solve for x
x = 27,947,038,015,018.05/7,784,163.79 - Step 6: Final answer
x = 3,590,242.80
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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.