Finding the Fourth Proportional to 7,867,623.48, 11,803,535.34 and 2,819,444.28
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Solution
The fourth proportional to 7,867,623.48, 11,803,535.34 and 2,819,444.28 is: 4,229,919.02
Step by Step Solution
- Step 1: Write the proportion equation
7,867,623.48 : 11,803,535.34 = 2,819,444.28 : x - Step 2: Convert to fraction form
7,867,623.48/11,803,535.34 = 2,819,444.28/x - Step 3: Cross multiply
7,867,623.48x = 11,803,535.34 × 2,819,444.28 - Step 4: Simplify right side
7,867,623.48x = 33,279,410,198,140.85 - Step 5: Solve for x
x = 33,279,410,198,140.85/7,867,623.48 - Step 6: Final answer
x = 4,229,919.02
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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.