Finding the Fourth Proportional to 11,498,396.58, 17,259,557.76 and 8,469,182.88
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Solution
The fourth proportional to 11,498,396.58, 17,259,557.76 and 8,469,182.88 is: 12,712,585.63
Step by Step Solution
- Step 1: Write the proportion equation
11,498,396.58 : 17,259,557.76 = 8,469,182.88 : x - Step 2: Convert to fraction form
11,498,396.58/17,259,557.76 = 8,469,182.88/x - Step 3: Cross multiply
11,498,396.58x = 17,259,557.76 × 8,469,182.88 - Step 4: Simplify right side
11,498,396.58x = 146,174,351,097,363.19 - Step 5: Solve for x
x = 146,174,351,097,363.19/11,498,396.58 - Step 6: Final answer
x = 12,712,585.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.