Finding the Fourth Proportional to 17,387,942.60, 26,060,918.70 and 8,863,891.40
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Solution
The fourth proportional to 17,387,942.60, 26,060,918.70 and 8,863,891.40 is: 13,285,134.33
Step by Step Solution
- Step 1: Write the proportion equation
17,387,942.60 : 26,060,918.70 = 8,863,891.40 : x - Step 2: Convert to fraction form
17,387,942.60/26,060,918.70 = 8,863,891.40/x - Step 3: Cross multiply
17,387,942.60x = 26,060,918.70 × 8,863,891.40 - Step 4: Simplify right side
17,387,942.60x = 231,001,153,141,029.19 - Step 5: Solve for x
x = 231,001,153,141,029.19/17,387,942.60 - Step 6: Final answer
x = 13,285,134.33
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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.