Finding the Fourth Proportional to 7,372,155.32, 10,173,621.84 and 4,109,177.24
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Solution
The fourth proportional to 7,372,155.32, 10,173,621.84 and 4,109,177.24 is: 5,670,691.07
Step by Step Solution
- Step 1: Write the proportion equation
7,372,155.32 : 10,173,621.84 = 4,109,177.24 : x - Step 2: Convert to fraction form
7,372,155.32/10,173,621.84 = 4,109,177.24/x - Step 3: Cross multiply
7,372,155.32x = 10,173,621.84 × 4,109,177.24 - Step 4: Simplify right side
7,372,155.32x = 41,805,215,313,294.92 - Step 5: Solve for x
x = 41,805,215,313,294.92/7,372,155.32 - Step 6: Final answer
x = 5,670,691.07
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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.