Finding the Fourth Proportional to 11,992,928.28, 16,550,240.76 and 6,486,303.54
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Solution
The fourth proportional to 11,992,928.28, 16,550,240.76 and 6,486,303.54 is: 8,951,098.74
Step by Step Solution
- Step 1: Write the proportion equation
11,992,928.28 : 16,550,240.76 = 6,486,303.54 : x - Step 2: Convert to fraction form
11,992,928.28/16,550,240.76 = 6,486,303.54/x - Step 3: Cross multiply
11,992,928.28x = 16,550,240.76 × 6,486,303.54 - Step 4: Simplify right side
11,992,928.28x = 107,349,885,229,440.30 - Step 5: Solve for x
x = 107,349,885,229,440.30/11,992,928.28 - Step 6: Final answer
x = 8,951,098.74
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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.