Finding the Fourth Proportional to 11,198,713.20, 16,785,628.20 and 6,153,644.40
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Solution
The fourth proportional to 11,198,713.20, 16,785,628.20 and 6,153,644.40 is: 9,223,629.99
Step by Step Solution
- Step 1: Write the proportion equation
11,198,713.20 : 16,785,628.20 = 6,153,644.40 : x - Step 2: Convert to fraction form
11,198,713.20/16,785,628.20 = 6,153,644.40/x - Step 3: Cross multiply
11,198,713.20x = 16,785,628.20 × 6,153,644.40 - Step 4: Simplify right side
11,198,713.20x = 103,292,786,973,412.08 - Step 5: Solve for x
x = 103,292,786,973,412.08/11,198,713.20 - Step 6: Final answer
x = 9,223,629.99
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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.