Finding the Fourth Proportional to 11,821,448.31, 16,313,392.22 and 6,664,813.35
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Solution
The fourth proportional to 11,821,448.31, 16,313,392.22 and 6,664,813.35 is: 9,197,326.03
Step by Step Solution
- Step 1: Write the proportion equation
11,821,448.31 : 16,313,392.22 = 6,664,813.35 : x - Step 2: Convert to fraction form
11,821,448.31/16,313,392.22 = 6,664,813.35/x - Step 3: Cross multiply
11,821,448.31x = 16,313,392.22 × 6,664,813.35 - Step 4: Simplify right side
11,821,448.31x = 108,725,714,218,318.06 - Step 5: Solve for x
x = 108,725,714,218,318.06/11,821,448.31 - Step 6: Final answer
x = 9,197,326.03
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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.