Finding the Fourth Proportional to 7,574,120.87, 11,357,894.27 and 4,161,383.91
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Solution
The fourth proportional to 7,574,120.87, 11,357,894.27 and 4,161,383.91 is: 6,240,269.90
Step by Step Solution
- Step 1: Write the proportion equation
7,574,120.87 : 11,357,894.27 = 4,161,383.91 : x - Step 2: Convert to fraction form
7,574,120.87/11,357,894.27 = 4,161,383.91/x - Step 3: Cross multiply
7,574,120.87x = 11,357,894.27 × 4,161,383.91 - Step 4: Simplify right side
7,574,120.87x = 47,264,558,477,062.66 - Step 5: Solve for x
x = 47,264,558,477,062.66/7,574,120.87 - Step 6: Final answer
x = 6,240,269.90
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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.