Finding the Fourth Proportional to 7,082,160.48, 9,774,138.38 and 4,330,460.68
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Solution
The fourth proportional to 7,082,160.48, 9,774,138.38 and 4,330,460.68 is: 5,976,498.56
Step by Step Solution
- Step 1: Write the proportion equation
7,082,160.48 : 9,774,138.38 = 4,330,460.68 : x - Step 2: Convert to fraction form
7,082,160.48/9,774,138.38 = 4,330,460.68/x - Step 3: Cross multiply
7,082,160.48x = 9,774,138.38 × 4,330,460.68 - Step 4: Simplify right side
7,082,160.48x = 42,326,521,889,381.25 - Step 5: Solve for x
x = 42,326,521,889,381.25/7,082,160.48 - Step 6: Final answer
x = 5,976,498.56
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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.