Finding the Fourth Proportional to 7,752,133.98, 10,697,944.92 and 4,315,186.94
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Solution
The fourth proportional to 7,752,133.98, 10,697,944.92 and 4,315,186.94 is: 5,954,957.99
Step by Step Solution
- Step 1: Write the proportion equation
7,752,133.98 : 10,697,944.92 = 4,315,186.94 : x - Step 2: Convert to fraction form
7,752,133.98/10,697,944.92 = 4,315,186.94/x - Step 3: Cross multiply
7,752,133.98x = 10,697,944.92 × 4,315,186.94 - Step 4: Simplify right side
7,752,133.98x = 46,163,632,203,623.35 - Step 5: Solve for x
x = 46,163,632,203,623.35/7,752,133.98 - Step 6: Final answer
x = 5,954,957.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.