Finding the Fourth Proportional to 8,171,639.23, 11,276,027.62 and 5,031,404.23
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Solution
The fourth proportional to 8,171,639.23, 11,276,027.62 and 5,031,404.23 is: 6,942,824.01
Step by Step Solution
- Step 1: Write the proportion equation
8,171,639.23 : 11,276,027.62 = 5,031,404.23 : x - Step 2: Convert to fraction form
8,171,639.23/11,276,027.62 = 5,031,404.23/x - Step 3: Cross multiply
8,171,639.23x = 11,276,027.62 × 5,031,404.23 - Step 4: Simplify right side
8,171,639.23x = 56,734,252,983,327.67 - Step 5: Solve for x
x = 56,734,252,983,327.67/8,171,639.23 - Step 6: Final answer
x = 6,942,824.01
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1.5x scale
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.