Finding the Fourth Proportional to 11,336,639.80, 17,022,674.40 and 6,553,670.80
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Solution
The fourth proportional to 11,336,639.80, 17,022,674.40 and 6,553,670.80 is: 9,840,747.00
Step by Step Solution
- Step 1: Write the proportion equation
11,336,639.80 : 17,022,674.40 = 6,553,670.80 : x - Step 2: Convert to fraction form
11,336,639.80/17,022,674.40 = 6,553,670.80/x - Step 3: Cross multiply
11,336,639.80x = 17,022,674.40 × 6,553,670.80 - Step 4: Simplify right side
11,336,639.80x = 111,561,004,153,187.50 - Step 5: Solve for x
x = 111,561,004,153,187.50/11,336,639.80 - Step 6: Final answer
x = 9,840,747.00
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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.