Finding the Fourth Proportional to 10,794,563.80, 16,181,477.70 and 6,240,938.20
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Solution
The fourth proportional to 10,794,563.80, 16,181,477.70 and 6,240,938.20 is: 9,355,412.98
Step by Step Solution
- Step 1: Write the proportion equation
10,794,563.80 : 16,181,477.70 = 6,240,938.20 : x - Step 2: Convert to fraction form
10,794,563.80/16,181,477.70 = 6,240,938.20/x - Step 3: Cross multiply
10,794,563.80x = 16,181,477.70 × 6,240,938.20 - Step 4: Simplify right side
10,794,563.80x = 100,987,602,310,378.14 - Step 5: Solve for x
x = 100,987,602,310,378.14/10,794,563.80 - Step 6: Final answer
x = 9,355,412.98
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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.