Finding the Fourth Proportional to 18,116,778.99, 27,192,194.43 and 9,487,073.51
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Solution
The fourth proportional to 18,116,778.99, 27,192,194.43 and 9,487,073.51 is: 14,239,526.11
Step by Step Solution
- Step 1: Write the proportion equation
18,116,778.99 : 27,192,194.43 = 9,487,073.51 : x - Step 2: Convert to fraction form
18,116,778.99/27,192,194.43 = 9,487,073.51/x - Step 3: Cross multiply
18,116,778.99x = 27,192,194.43 × 9,487,073.51 - Step 4: Simplify right side
18,116,778.99x = 257,974,347,455,622.53 - Step 5: Solve for x
x = 257,974,347,455,622.53/18,116,778.99 - Step 6: Final answer
x = 14,239,526.11
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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.