Finding the Fourth Proportional to 9,363,578.40, 14,029,621.20 and 6,167,059.20
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Solution
The fourth proportional to 9,363,578.40, 14,029,621.20 and 6,167,059.20 is: 9,240,217.87
Step by Step Solution
- Step 1: Write the proportion equation
9,363,578.40 : 14,029,621.20 = 6,167,059.20 : x - Step 2: Convert to fraction form
9,363,578.40/14,029,621.20 = 6,167,059.20/x - Step 3: Cross multiply
9,363,578.40x = 14,029,621.20 × 6,167,059.20 - Step 4: Simplify right side
9,363,578.40x = 86,521,504,493,975.03 - Step 5: Solve for x
x = 86,521,504,493,975.03/9,363,578.40 - Step 6: Final answer
x = 9,240,217.87
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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.