Finding the Fourth Proportional to 18,095,992.55, 27,163,327.37 and 7,320,337.37
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Solution
The fourth proportional to 18,095,992.55, 27,163,327.37 and 7,320,337.37 is: 10,988,329.03
Step by Step Solution
- Step 1: Write the proportion equation
18,095,992.55 : 27,163,327.37 = 7,320,337.37 : x - Step 2: Convert to fraction form
18,095,992.55/27,163,327.37 = 7,320,337.37/x - Step 3: Cross multiply
18,095,992.55x = 27,163,327.37 × 7,320,337.37 - Step 4: Simplify right side
18,095,992.55x = 198,844,720,267,736.50 - Step 5: Solve for x
x = 198,844,720,267,736.50/18,095,992.55 - Step 6: Final answer
x = 10,988,329.03
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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.