Finding the Fourth Proportional to 11,555,245.80, 15,946,043.14 and 6,398,496.62
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Solution
The fourth proportional to 11,555,245.80, 15,946,043.14 and 6,398,496.62 is: 8,829,816.77
Step by Step Solution
- Step 1: Write the proportion equation
11,555,245.80 : 15,946,043.14 = 6,398,496.62 : x - Step 2: Convert to fraction form
11,555,245.80/15,946,043.14 = 6,398,496.62/x - Step 3: Cross multiply
11,555,245.80x = 15,946,043.14 × 6,398,496.62 - Step 4: Simplify right side
11,555,245.80x = 102,030,703,133,664.19 - Step 5: Solve for x
x = 102,030,703,133,664.19/11,555,245.80 - Step 6: Final answer
x = 8,829,816.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.