Finding the Fourth Proportional to 11,555,238.80, 15,946,033.49 and 6,398,489.63
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Solution
The fourth proportional to 11,555,238.80, 15,946,033.49 and 6,398,489.63 is: 8,829,807.12
Step by Step Solution
- Step 1: Write the proportion equation
11,555,238.80 : 15,946,033.49 = 6,398,489.63 : x - Step 2: Convert to fraction form
11,555,238.80/15,946,033.49 = 6,398,489.63/x - Step 3: Cross multiply
11,555,238.80x = 15,946,033.49 × 6,398,489.63 - Step 4: Simplify right side
11,555,238.80x = 102,030,529,813,675.09 - Step 5: Solve for x
x = 102,030,529,813,675.09/11,555,238.80 - Step 6: Final answer
x = 8,829,807.12
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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.