Finding the Fourth Proportional to 11,081,477.70, 16,622,216.55 and 3,890,621.70
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Solution
The fourth proportional to 11,081,477.70, 16,622,216.55 and 3,890,621.70 is: 5,835,932.55
Step by Step Solution
- Step 1: Write the proportion equation
11,081,477.70 : 16,622,216.55 = 3,890,621.70 : x - Step 2: Convert to fraction form
11,081,477.70/16,622,216.55 = 3,890,621.70/x - Step 3: Cross multiply
11,081,477.70x = 16,622,216.55 × 3,890,621.70 - Step 4: Simplify right side
11,081,477.70x = 64,670,756,411,529.14 - Step 5: Solve for x
x = 64,670,756,411,529.14/11,081,477.70 - Step 6: Final answer
x = 5,835,932.55
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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.