Finding the Fourth Proportional to 11,384,786.66, 15,711,129.36 and 6,228,037.49
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Solution
The fourth proportional to 11,384,786.66, 15,711,129.36 and 6,228,037.49 is: 8,594,759.44
Step by Step Solution
- Step 1: Write the proportion equation
11,384,786.66 : 15,711,129.36 = 6,228,037.49 : x - Step 2: Convert to fraction form
11,384,786.66/15,711,129.36 = 6,228,037.49/x - Step 3: Cross multiply
11,384,786.66x = 15,711,129.36 × 6,228,037.49 - Step 4: Simplify right side
11,384,786.66x = 97,849,502,585,764.06 - Step 5: Solve for x
x = 97,849,502,585,764.06/11,384,786.66 - Step 6: Final answer
x = 8,594,759.44
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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.