Finding the Fourth Proportional to 17,768,687.49, 26,649,660.51 and 8,661,625.83
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Solution
The fourth proportional to 17,768,687.49, 26,649,660.51 and 8,661,625.83 is: 12,990,795.63
Step by Step Solution
- Step 1: Write the proportion equation
17,768,687.49 : 26,649,660.51 = 8,661,625.83 : x - Step 2: Convert to fraction form
17,768,687.49/26,649,660.51 = 8,661,625.83/x - Step 3: Cross multiply
17,768,687.49x = 26,649,660.51 × 8,661,625.83 - Step 4: Simplify right side
17,768,687.49x = 230,829,387,834,147 - Step 5: Solve for x
x = 230,829,387,834,147/17,768,687.49 - Step 6: Final answer
x = 12,990,795.63
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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.