Finding the Fourth Proportional to 9,516,260.60, 13,099,251.04 and 8,213,645.96
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Solution
The fourth proportional to 9,516,260.60, 13,099,251.04 and 8,213,645.96 is: 11,306,185.79
Step by Step Solution
- Step 1: Write the proportion equation
9,516,260.60 : 13,099,251.04 = 8,213,645.96 : x - Step 2: Convert to fraction form
9,516,260.60/13,099,251.04 = 8,213,645.96/x - Step 3: Cross multiply
9,516,260.60x = 13,099,251.04 × 8,213,645.96 - Step 4: Simplify right side
9,516,260.60x = 107,592,610,383,721.80 - Step 5: Solve for x
x = 107,592,610,383,721.80/9,516,260.60 - Step 6: Final answer
x = 11,306,185.79
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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.