Finding the Fourth Proportional to 8,322,220.52, 12,479,786.14 and 3,269,987.08
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Solution
The fourth proportional to 8,322,220.52, 12,479,786.14 and 3,269,987.08 is: 4,903,587.85
Step by Step Solution
- Step 1: Write the proportion equation
8,322,220.52 : 12,479,786.14 = 3,269,987.08 : x - Step 2: Convert to fraction form
8,322,220.52/12,479,786.14 = 3,269,987.08/x - Step 3: Cross multiply
8,322,220.52x = 12,479,786.14 × 3,269,987.08 - Step 4: Simplify right side
8,322,220.52x = 40,808,739,438,963.07 - Step 5: Solve for x
x = 40,808,739,438,963.07/8,322,220.52 - Step 6: Final answer
x = 4,903,587.85
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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.