Finding the Fourth Proportional to 11,821,444.56, 16,313,387.04 and 6,664,809.60
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Solution
The fourth proportional to 11,821,444.56, 16,313,387.04 and 6,664,809.60 is: 9,197,320.85
Step by Step Solution
- Step 1: Write the proportion equation
11,821,444.56 : 16,313,387.04 = 6,664,809.60 : x - Step 2: Convert to fraction form
11,821,444.56/16,313,387.04 = 6,664,809.60/x - Step 3: Cross multiply
11,821,444.56x = 16,313,387.04 × 6,664,809.60 - Step 4: Simplify right side
11,821,444.56x = 108,725,618,552,707.58 - Step 5: Solve for x
x = 108,725,618,552,707.58/11,821,444.56 - Step 6: Final answer
x = 9,197,320.85
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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.