Finding the Fourth Proportional to 18,500,087.41, 27,740,569.97 and 8,121,058.65
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Solution
The fourth proportional to 18,500,087.41, 27,740,569.97 and 8,121,058.65 is: 12,177,390.88
Step by Step Solution
- Step 1: Write the proportion equation
18,500,087.41 : 27,740,569.97 = 8,121,058.65 : x - Step 2: Convert to fraction form
18,500,087.41/27,740,569.97 = 8,121,058.65/x - Step 3: Cross multiply
18,500,087.41x = 27,740,569.97 × 8,121,058.65 - Step 4: Simplify right side
18,500,087.41x = 225,282,795,731,101.41 - Step 5: Solve for x
x = 225,282,795,731,101.41/18,500,087.41 - Step 6: Final answer
x = 12,177,390.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.