Finding the Fourth Proportional to 18,116,778.36, 27,192,193.49 and 9,487,072.89
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Solution
The fourth proportional to 18,116,778.36, 27,192,193.49 and 9,487,072.89 is: 14,239,525.18
Step by Step Solution
- Step 1: Write the proportion equation
18,116,778.36 : 27,192,193.49 = 9,487,072.89 : x - Step 2: Convert to fraction form
18,116,778.36/27,192,193.49 = 9,487,072.89/x - Step 3: Cross multiply
18,116,778.36x = 27,192,193.49 × 9,487,072.89 - Step 4: Simplify right side
18,116,778.36x = 257,974,321,702,331.19 - Step 5: Solve for x
x = 257,974,321,702,331.19/18,116,778.36 - Step 6: Final answer
x = 14,239,525.18
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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.