Finding the Fourth Proportional to 7,351,905.92, 10,138,589.12 and 4,867,193.36
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Solution
The fourth proportional to 7,351,905.92, 10,138,589.12 and 4,867,193.36 is: 6,712,065.44
Step by Step Solution
- Step 1: Write the proportion equation
7,351,905.92 : 10,138,589.12 = 4,867,193.36 : x - Step 2: Convert to fraction form
7,351,905.92/10,138,589.12 = 4,867,193.36/x - Step 3: Cross multiply
7,351,905.92x = 10,138,589.12 × 4,867,193.36 - Step 4: Simplify right side
7,351,905.92x = 49,346,473,644,632.24 - Step 5: Solve for x
x = 49,346,473,644,632.24/7,351,905.92 - Step 6: Final answer
x = 6,712,065.44
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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.